diff --git a/descriptions/api.github.com/api.github.com.2022-11-28.json b/descriptions/api.github.com/api.github.com.2022-11-28.json
index 793ff13e3e..e5d809b6a1 100644
--- a/descriptions/api.github.com/api.github.com.2022-11-28.json
+++ b/descriptions/api.github.com/api.github.com.2022-11-28.json
@@ -108575,6 +108575,12 @@
             "nullable": true,
             "description": "Last editor that was used by the user for a GitHub Copilot completion."
           },
+          "last_authenticated_at": {
+            "type": "string",
+            "format": "date-time",
+            "nullable": true,
+            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+          },
           "created_at": {
             "type": "string",
             "format": "date-time",
@@ -279555,6 +279561,7 @@
               "pending_cancellation_date": null,
               "last_activity_at": "2021-10-14T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "plan_type": "business",
               "assignee": {
                 "login": "octocat",
@@ -279598,6 +279605,7 @@
               "pending_cancellation_date": "2021-11-01",
               "last_activity_at": "2021-10-13T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "assignee": {
                 "login": "octokitten",
                 "id": 1,
@@ -280486,6 +280494,7 @@
           "pending_cancellation_date": null,
           "last_activity_at": "2021-10-14T00:53:32-06:00",
           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
           "plan_type": "business",
           "assignee": {
             "login": "octocat",
diff --git a/descriptions/api.github.com/api.github.com.2022-11-28.yaml b/descriptions/api.github.com/api.github.com.2022-11-28.yaml
index ad8ecbc60e..fd73ad2725 100644
--- a/descriptions/api.github.com/api.github.com.2022-11-28.yaml
+++ b/descriptions/api.github.com/api.github.com.2022-11-28.yaml
@@ -79422,6 +79422,12 @@ components:
           nullable: true
           description: Last editor that was used by the user for a GitHub Copilot
             completion.
+        last_authenticated_at:
+          type: string
+          format: date-time
+          nullable: true
+          description: Timestamp of the last time the user authenticated with GitHub
+            Copilot, in ISO 8601 format.
         created_at:
           type: string
           format: date-time
@@ -209861,6 +209867,7 @@ components:
           pending_cancellation_date: 
           last_activity_at: '2021-10-14T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           plan_type: business
           assignee:
             login: octocat
@@ -209900,6 +209907,7 @@ components:
           pending_cancellation_date: '2021-11-01'
           last_activity_at: '2021-10-13T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           assignee:
             login: octokitten
             id: 1
@@ -210603,6 +210611,7 @@ components:
         pending_cancellation_date: 
         last_activity_at: '2021-10-14T00:53:32-06:00'
         last_activity_editor: vscode/1.77.3/copilot/1.86.82
+        last_authenticated_at: '2021-10-14T00:53:32-06:00'
         plan_type: business
         assignee:
           login: octocat
diff --git a/descriptions/api.github.com/api.github.com.json b/descriptions/api.github.com/api.github.com.json
index 793ff13e3e..e5d809b6a1 100644
--- a/descriptions/api.github.com/api.github.com.json
+++ b/descriptions/api.github.com/api.github.com.json
@@ -108575,6 +108575,12 @@
             "nullable": true,
             "description": "Last editor that was used by the user for a GitHub Copilot completion."
           },
+          "last_authenticated_at": {
+            "type": "string",
+            "format": "date-time",
+            "nullable": true,
+            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+          },
           "created_at": {
             "type": "string",
             "format": "date-time",
@@ -279555,6 +279561,7 @@
               "pending_cancellation_date": null,
               "last_activity_at": "2021-10-14T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "plan_type": "business",
               "assignee": {
                 "login": "octocat",
@@ -279598,6 +279605,7 @@
               "pending_cancellation_date": "2021-11-01",
               "last_activity_at": "2021-10-13T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "assignee": {
                 "login": "octokitten",
                 "id": 1,
@@ -280486,6 +280494,7 @@
           "pending_cancellation_date": null,
           "last_activity_at": "2021-10-14T00:53:32-06:00",
           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
           "plan_type": "business",
           "assignee": {
             "login": "octocat",
diff --git a/descriptions/api.github.com/api.github.com.yaml b/descriptions/api.github.com/api.github.com.yaml
index ad8ecbc60e..fd73ad2725 100644
--- a/descriptions/api.github.com/api.github.com.yaml
+++ b/descriptions/api.github.com/api.github.com.yaml
@@ -79422,6 +79422,12 @@ components:
           nullable: true
           description: Last editor that was used by the user for a GitHub Copilot
             completion.
+        last_authenticated_at:
+          type: string
+          format: date-time
+          nullable: true
+          description: Timestamp of the last time the user authenticated with GitHub
+            Copilot, in ISO 8601 format.
         created_at:
           type: string
           format: date-time
@@ -209861,6 +209867,7 @@ components:
           pending_cancellation_date: 
           last_activity_at: '2021-10-14T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           plan_type: business
           assignee:
             login: octocat
@@ -209900,6 +209907,7 @@ components:
           pending_cancellation_date: '2021-11-01'
           last_activity_at: '2021-10-13T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           assignee:
             login: octokitten
             id: 1
@@ -210603,6 +210611,7 @@ components:
         pending_cancellation_date: 
         last_activity_at: '2021-10-14T00:53:32-06:00'
         last_activity_editor: vscode/1.77.3/copilot/1.86.82
+        last_authenticated_at: '2021-10-14T00:53:32-06:00'
         plan_type: business
         assignee:
           login: octocat
diff --git a/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json b/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
index d82485b918..4dbf098153 100644
--- a/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
+++ b/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
@@ -83591,6 +83591,12 @@
                             "nullable": true,
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": "string",
+                            "format": "date-time",
+                            "nullable": true,
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -83631,6 +83637,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -83674,6 +83681,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -107744,6 +107752,12 @@
                       "nullable": true,
                       "description": "Last editor that was used by the user for a GitHub Copilot completion."
                     },
+                    "last_authenticated_at": {
+                      "type": "string",
+                      "format": "date-time",
+                      "nullable": true,
+                      "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                    },
                     "created_at": {
                       "type": "string",
                       "format": "date-time",
@@ -107778,6 +107792,7 @@
                       "pending_cancellation_date": null,
                       "last_activity_at": "2021-10-14T00:53:32-06:00",
                       "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                      "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                       "plan_type": "business",
                       "assignee": {
                         "login": "octocat",
diff --git a/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml b/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
index 7797a67865..6fca3185df 100644
--- a/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
+++ b/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
@@ -25906,6 +25906,12 @@ paths:
                           nullable: true
                           description: Last editor that was used by the user for a
                             GitHub Copilot completion.
+                        last_authenticated_at:
+                          type: string
+                          format: date-time
+                          nullable: true
+                          description: Timestamp of the last time the user authenticated
+                            with GitHub Copilot, in ISO 8601 format.
                         created_at:
                           type: string
                           format: date-time
@@ -25941,6 +25947,7 @@ paths:
                       pending_cancellation_date: 
                       last_activity_at: '2021-10-14T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       plan_type: business
                       assignee:
                         login: octocat
@@ -25980,6 +25987,7 @@ paths:
                       pending_cancellation_date: '2021-11-01'
                       last_activity_at: '2021-10-13T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       assignee:
                         login: octokitten
                         id: 1
@@ -30040,6 +30048,7 @@ paths:
                     pending_cancellation_date: 
                     last_activity_at: '2021-10-14T00:53:32-06:00'
                     last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                    last_authenticated_at: '2021-10-14T00:53:32-06:00'
                     plan_type: business
                     assignee:
                       login: octocat
diff --git a/descriptions/api.github.com/dereferenced/api.github.com.deref.json b/descriptions/api.github.com/dereferenced/api.github.com.deref.json
index d82485b918..4dbf098153 100644
--- a/descriptions/api.github.com/dereferenced/api.github.com.deref.json
+++ b/descriptions/api.github.com/dereferenced/api.github.com.deref.json
@@ -83591,6 +83591,12 @@
                             "nullable": true,
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": "string",
+                            "format": "date-time",
+                            "nullable": true,
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -83631,6 +83637,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -83674,6 +83681,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -107744,6 +107752,12 @@
                       "nullable": true,
                       "description": "Last editor that was used by the user for a GitHub Copilot completion."
                     },
+                    "last_authenticated_at": {
+                      "type": "string",
+                      "format": "date-time",
+                      "nullable": true,
+                      "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                    },
                     "created_at": {
                       "type": "string",
                       "format": "date-time",
@@ -107778,6 +107792,7 @@
                       "pending_cancellation_date": null,
                       "last_activity_at": "2021-10-14T00:53:32-06:00",
                       "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                      "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                       "plan_type": "business",
                       "assignee": {
                         "login": "octocat",
diff --git a/descriptions/api.github.com/dereferenced/api.github.com.deref.yaml b/descriptions/api.github.com/dereferenced/api.github.com.deref.yaml
index 7797a67865..6fca3185df 100644
--- a/descriptions/api.github.com/dereferenced/api.github.com.deref.yaml
+++ b/descriptions/api.github.com/dereferenced/api.github.com.deref.yaml
@@ -25906,6 +25906,12 @@ paths:
                           nullable: true
                           description: Last editor that was used by the user for a
                             GitHub Copilot completion.
+                        last_authenticated_at:
+                          type: string
+                          format: date-time
+                          nullable: true
+                          description: Timestamp of the last time the user authenticated
+                            with GitHub Copilot, in ISO 8601 format.
                         created_at:
                           type: string
                           format: date-time
@@ -25941,6 +25947,7 @@ paths:
                       pending_cancellation_date: 
                       last_activity_at: '2021-10-14T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       plan_type: business
                       assignee:
                         login: octocat
@@ -25980,6 +25987,7 @@ paths:
                       pending_cancellation_date: '2021-11-01'
                       last_activity_at: '2021-10-13T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       assignee:
                         login: octokitten
                         id: 1
@@ -30040,6 +30048,7 @@ paths:
                     pending_cancellation_date: 
                     last_activity_at: '2021-10-14T00:53:32-06:00'
                     last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                    last_authenticated_at: '2021-10-14T00:53:32-06:00'
                     plan_type: business
                     assignee:
                       login: octocat
diff --git a/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json b/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json
index ef7b78401f..be18a60174 100644
--- a/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json
+++ b/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json
@@ -38215,6 +38215,12 @@
                             "nullable": true,
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": "string",
+                            "format": "date-time",
+                            "nullable": true,
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -38255,6 +38261,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -38298,6 +38305,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -41472,6 +41480,12 @@
                             "nullable": true,
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": "string",
+                            "format": "date-time",
+                            "nullable": true,
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -41512,6 +41526,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -41555,6 +41570,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -118228,6 +118244,12 @@
                             "nullable": true,
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": "string",
+                            "format": "date-time",
+                            "nullable": true,
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -118268,6 +118290,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -118311,6 +118334,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -146688,6 +146712,12 @@
                       "nullable": true,
                       "description": "Last editor that was used by the user for a GitHub Copilot completion."
                     },
+                    "last_authenticated_at": {
+                      "type": "string",
+                      "format": "date-time",
+                      "nullable": true,
+                      "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                    },
                     "created_at": {
                       "type": "string",
                       "format": "date-time",
@@ -146722,6 +146752,7 @@
                       "pending_cancellation_date": null,
                       "last_activity_at": "2021-10-14T00:53:32-06:00",
                       "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                      "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                       "plan_type": "business",
                       "assignee": {
                         "login": "octocat",
diff --git a/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.yaml b/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.yaml
index 831bd9057b..b7a2ea75b2 100644
--- a/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.yaml
+++ b/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.yaml
@@ -14835,6 +14835,12 @@ paths:
                           nullable: true
                           description: Last editor that was used by the user for a
                             GitHub Copilot completion.
+                        last_authenticated_at:
+                          type: string
+                          format: date-time
+                          nullable: true
+                          description: Timestamp of the last time the user authenticated
+                            with GitHub Copilot, in ISO 8601 format.
                         created_at:
                           type: string
                           format: date-time
@@ -14870,6 +14876,7 @@ paths:
                       pending_cancellation_date: 
                       last_activity_at: '2021-10-14T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       plan_type: business
                       assignee:
                         login: octocat
@@ -14909,6 +14916,7 @@ paths:
                       pending_cancellation_date: '2021-11-01'
                       last_activity_at: '2021-10-13T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       assignee:
                         login: octokitten
                         id: 1
@@ -40436,6 +40444,7 @@ paths:
                     pending_cancellation_date: 
                     last_activity_at: '2021-10-14T00:53:32-06:00'
                     last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                    last_authenticated_at: '2021-10-14T00:53:32-06:00'
                     plan_type: business
                     assignee:
                       login: octocat
diff --git a/descriptions/ghec/dereferenced/ghec.deref.json b/descriptions/ghec/dereferenced/ghec.deref.json
index ef7b78401f..be18a60174 100644
--- a/descriptions/ghec/dereferenced/ghec.deref.json
+++ b/descriptions/ghec/dereferenced/ghec.deref.json
@@ -38215,6 +38215,12 @@
                             "nullable": true,
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": "string",
+                            "format": "date-time",
+                            "nullable": true,
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -38255,6 +38261,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -38298,6 +38305,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -41472,6 +41480,12 @@
                             "nullable": true,
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": "string",
+                            "format": "date-time",
+                            "nullable": true,
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -41512,6 +41526,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -41555,6 +41570,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -118228,6 +118244,12 @@
                             "nullable": true,
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": "string",
+                            "format": "date-time",
+                            "nullable": true,
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -118268,6 +118290,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -118311,6 +118334,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -146688,6 +146712,12 @@
                       "nullable": true,
                       "description": "Last editor that was used by the user for a GitHub Copilot completion."
                     },
+                    "last_authenticated_at": {
+                      "type": "string",
+                      "format": "date-time",
+                      "nullable": true,
+                      "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                    },
                     "created_at": {
                       "type": "string",
                       "format": "date-time",
@@ -146722,6 +146752,7 @@
                       "pending_cancellation_date": null,
                       "last_activity_at": "2021-10-14T00:53:32-06:00",
                       "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                      "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                       "plan_type": "business",
                       "assignee": {
                         "login": "octocat",
diff --git a/descriptions/ghec/dereferenced/ghec.deref.yaml b/descriptions/ghec/dereferenced/ghec.deref.yaml
index 831bd9057b..b7a2ea75b2 100644
--- a/descriptions/ghec/dereferenced/ghec.deref.yaml
+++ b/descriptions/ghec/dereferenced/ghec.deref.yaml
@@ -14835,6 +14835,12 @@ paths:
                           nullable: true
                           description: Last editor that was used by the user for a
                             GitHub Copilot completion.
+                        last_authenticated_at:
+                          type: string
+                          format: date-time
+                          nullable: true
+                          description: Timestamp of the last time the user authenticated
+                            with GitHub Copilot, in ISO 8601 format.
                         created_at:
                           type: string
                           format: date-time
@@ -14870,6 +14876,7 @@ paths:
                       pending_cancellation_date: 
                       last_activity_at: '2021-10-14T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       plan_type: business
                       assignee:
                         login: octocat
@@ -14909,6 +14916,7 @@ paths:
                       pending_cancellation_date: '2021-11-01'
                       last_activity_at: '2021-10-13T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       assignee:
                         login: octokitten
                         id: 1
@@ -40436,6 +40444,7 @@ paths:
                     pending_cancellation_date: 
                     last_activity_at: '2021-10-14T00:53:32-06:00'
                     last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                    last_authenticated_at: '2021-10-14T00:53:32-06:00'
                     plan_type: business
                     assignee:
                       login: octocat
diff --git a/descriptions/ghec/ghec.2022-11-28.json b/descriptions/ghec/ghec.2022-11-28.json
index 9b6b76ca58..913c86303a 100644
--- a/descriptions/ghec/ghec.2022-11-28.json
+++ b/descriptions/ghec/ghec.2022-11-28.json
@@ -118433,6 +118433,12 @@
             "nullable": true,
             "description": "Last editor that was used by the user for a GitHub Copilot completion."
           },
+          "last_authenticated_at": {
+            "type": "string",
+            "format": "date-time",
+            "nullable": true,
+            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+          },
           "created_at": {
             "type": "string",
             "format": "date-time",
@@ -294184,6 +294190,7 @@
               "pending_cancellation_date": null,
               "last_activity_at": "2021-10-14T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "plan_type": "business",
               "assignee": {
                 "login": "octocat",
@@ -294227,6 +294234,7 @@
               "pending_cancellation_date": "2021-11-01",
               "last_activity_at": "2021-10-13T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "assignee": {
                 "login": "octokitten",
                 "id": 1,
@@ -299994,6 +300002,7 @@
           "pending_cancellation_date": null,
           "last_activity_at": "2021-10-14T00:53:32-06:00",
           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
           "plan_type": "business",
           "assignee": {
             "login": "octocat",
diff --git a/descriptions/ghec/ghec.2022-11-28.yaml b/descriptions/ghec/ghec.2022-11-28.yaml
index 00fb16cf25..60c4015584 100644
--- a/descriptions/ghec/ghec.2022-11-28.yaml
+++ b/descriptions/ghec/ghec.2022-11-28.yaml
@@ -86012,6 +86012,12 @@ components:
           nullable: true
           description: Last editor that was used by the user for a GitHub Copilot
             completion.
+        last_authenticated_at:
+          type: string
+          format: date-time
+          nullable: true
+          description: Timestamp of the last time the user authenticated with GitHub
+            Copilot, in ISO 8601 format.
         created_at:
           type: string
           format: date-time
@@ -219763,6 +219769,7 @@ components:
           pending_cancellation_date: 
           last_activity_at: '2021-10-14T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           plan_type: business
           assignee:
             login: octocat
@@ -219802,6 +219809,7 @@ components:
           pending_cancellation_date: '2021-11-01'
           last_activity_at: '2021-10-13T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           assignee:
             login: octokitten
             id: 1
@@ -224631,6 +224639,7 @@ components:
         pending_cancellation_date: 
         last_activity_at: '2021-10-14T00:53:32-06:00'
         last_activity_editor: vscode/1.77.3/copilot/1.86.82
+        last_authenticated_at: '2021-10-14T00:53:32-06:00'
         plan_type: business
         assignee:
           login: octocat
diff --git a/descriptions/ghec/ghec.json b/descriptions/ghec/ghec.json
index 9b6b76ca58..913c86303a 100644
--- a/descriptions/ghec/ghec.json
+++ b/descriptions/ghec/ghec.json
@@ -118433,6 +118433,12 @@
             "nullable": true,
             "description": "Last editor that was used by the user for a GitHub Copilot completion."
           },
+          "last_authenticated_at": {
+            "type": "string",
+            "format": "date-time",
+            "nullable": true,
+            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+          },
           "created_at": {
             "type": "string",
             "format": "date-time",
@@ -294184,6 +294190,7 @@
               "pending_cancellation_date": null,
               "last_activity_at": "2021-10-14T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "plan_type": "business",
               "assignee": {
                 "login": "octocat",
@@ -294227,6 +294234,7 @@
               "pending_cancellation_date": "2021-11-01",
               "last_activity_at": "2021-10-13T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "assignee": {
                 "login": "octokitten",
                 "id": 1,
@@ -299994,6 +300002,7 @@
           "pending_cancellation_date": null,
           "last_activity_at": "2021-10-14T00:53:32-06:00",
           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
           "plan_type": "business",
           "assignee": {
             "login": "octocat",
diff --git a/descriptions/ghec/ghec.yaml b/descriptions/ghec/ghec.yaml
index 00fb16cf25..60c4015584 100644
--- a/descriptions/ghec/ghec.yaml
+++ b/descriptions/ghec/ghec.yaml
@@ -86012,6 +86012,12 @@ components:
           nullable: true
           description: Last editor that was used by the user for a GitHub Copilot
             completion.
+        last_authenticated_at:
+          type: string
+          format: date-time
+          nullable: true
+          description: Timestamp of the last time the user authenticated with GitHub
+            Copilot, in ISO 8601 format.
         created_at:
           type: string
           format: date-time
@@ -219763,6 +219769,7 @@ components:
           pending_cancellation_date: 
           last_activity_at: '2021-10-14T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           plan_type: business
           assignee:
             login: octocat
@@ -219802,6 +219809,7 @@ components:
           pending_cancellation_date: '2021-11-01'
           last_activity_at: '2021-10-13T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           assignee:
             login: octokitten
             id: 1
@@ -224631,6 +224639,7 @@ components:
         pending_cancellation_date: 
         last_activity_at: '2021-10-14T00:53:32-06:00'
         last_activity_editor: vscode/1.77.3/copilot/1.86.82
+        last_authenticated_at: '2021-10-14T00:53:32-06:00'
         plan_type: business
         assignee:
           login: octocat