diff --git a/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.json b/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.json
index 4b8c5c9be..3fc6f5e4d 100644
--- a/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.json
+++ b/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.json
@@ -60133,13 +60133,53 @@
                   "properties": {
                     "message": {
                       "type": "string"
+                    },
+                    "reassigned_resources": {
+                      "type": [
+                        "array",
+                        "null"
+                      ],
+                      "items": {
+                        "type": "object",
+                        "properties": {
+                          "resource_type": {
+                            "type": "string",
+                            "description": "The type of resource that was reassigned."
+                          },
+                          "name": {
+                            "type": "string",
+                            "description": "The name of the resource that was reassigned."
+                          },
+                          "previous_cost_center": {
+                            "type": "string",
+                            "description": "The previous cost center of the resource."
+                          }
+                        }
+                      }
                     }
                   }
                 },
                 "examples": {
                   "default": {
                     "value": {
-                      "message": "Resources successfully added to the cost center."
+                      "message": "Resources successfully added to the cost center.",
+                      "reassigned_resources": [
+                        {
+                          "resource_type": "user",
+                          "name": "monalisa",
+                          "previous_cost_center": "old-cost-center"
+                        },
+                        {
+                          "resource_type": "organization",
+                          "name": "octo-org",
+                          "previous_cost_center": "another-cost-center"
+                        },
+                        {
+                          "resource_type": "repository",
+                          "name": "octo-repo",
+                          "previous_cost_center": "yet-another-cost-center"
+                        }
+                      ]
                     }
                   }
                 }
diff --git a/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.yaml b/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.yaml
index cc92a452a..806aeaf9d 100644
--- a/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.yaml
+++ b/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.yaml
@@ -20815,10 +20815,36 @@ paths:
                 properties:
                   message:
                     type: string
+                  reassigned_resources:
+                    type:
+                    - array
+                    - 'null'
+                    items:
+                      type: object
+                      properties:
+                        resource_type:
+                          type: string
+                          description: The type of resource that was reassigned.
+                        name:
+                          type: string
+                          description: The name of the resource that was reassigned.
+                        previous_cost_center:
+                          type: string
+                          description: The previous cost center of the resource.
               examples:
                 default:
                   value:
                     message: Resources successfully added to the cost center.
+                    reassigned_resources:
+                    - resource_type: user
+                      name: monalisa
+                      previous_cost_center: old-cost-center
+                    - resource_type: organization
+                      name: octo-org
+                      previous_cost_center: another-cost-center
+                    - resource_type: repository
+                      name: octo-repo
+                      previous_cost_center: yet-another-cost-center
         '400': *14
         '403': *27
         '409': *100
diff --git a/descriptions-next/ghec/dereferenced/ghec.deref.json b/descriptions-next/ghec/dereferenced/ghec.deref.json
index 4b8c5c9be..3fc6f5e4d 100644
--- a/descriptions-next/ghec/dereferenced/ghec.deref.json
+++ b/descriptions-next/ghec/dereferenced/ghec.deref.json
@@ -60133,13 +60133,53 @@
                   "properties": {
                     "message": {
                       "type": "string"
+                    },
+                    "reassigned_resources": {
+                      "type": [
+                        "array",
+                        "null"
+                      ],
+                      "items": {
+                        "type": "object",
+                        "properties": {
+                          "resource_type": {
+                            "type": "string",
+                            "description": "The type of resource that was reassigned."
+                          },
+                          "name": {
+                            "type": "string",
+                            "description": "The name of the resource that was reassigned."
+                          },
+                          "previous_cost_center": {
+                            "type": "string",
+                            "description": "The previous cost center of the resource."
+                          }
+                        }
+                      }
                     }
                   }
                 },
                 "examples": {
                   "default": {
                     "value": {
-                      "message": "Resources successfully added to the cost center."
+                      "message": "Resources successfully added to the cost center.",
+                      "reassigned_resources": [
+                        {
+                          "resource_type": "user",
+                          "name": "monalisa",
+                          "previous_cost_center": "old-cost-center"
+                        },
+                        {
+                          "resource_type": "organization",
+                          "name": "octo-org",
+                          "previous_cost_center": "another-cost-center"
+                        },
+                        {
+                          "resource_type": "repository",
+                          "name": "octo-repo",
+                          "previous_cost_center": "yet-another-cost-center"
+                        }
+                      ]
                     }
                   }
                 }
diff --git a/descriptions-next/ghec/dereferenced/ghec.deref.yaml b/descriptions-next/ghec/dereferenced/ghec.deref.yaml
index cc92a452a..806aeaf9d 100644
--- a/descriptions-next/ghec/dereferenced/ghec.deref.yaml
+++ b/descriptions-next/ghec/dereferenced/ghec.deref.yaml
@@ -20815,10 +20815,36 @@ paths:
                 properties:
                   message:
                     type: string
+                  reassigned_resources:
+                    type:
+                    - array
+                    - 'null'
+                    items:
+                      type: object
+                      properties:
+                        resource_type:
+                          type: string
+                          description: The type of resource that was reassigned.
+                        name:
+                          type: string
+                          description: The name of the resource that was reassigned.
+                        previous_cost_center:
+                          type: string
+                          description: The previous cost center of the resource.
               examples:
                 default:
                   value:
                     message: Resources successfully added to the cost center.
+                    reassigned_resources:
+                    - resource_type: user
+                      name: monalisa
+                      previous_cost_center: old-cost-center
+                    - resource_type: organization
+                      name: octo-org
+                      previous_cost_center: another-cost-center
+                    - resource_type: repository
+                      name: octo-repo
+                      previous_cost_center: yet-another-cost-center
         '400': *14
         '403': *27
         '409': *100
diff --git a/descriptions-next/ghec/ghec.2022-11-28.json b/descriptions-next/ghec/ghec.2022-11-28.json
index 9e3648759..bc08ee3bb 100644
--- a/descriptions-next/ghec/ghec.2022-11-28.json
+++ b/descriptions-next/ghec/ghec.2022-11-28.json
@@ -335440,13 +335440,53 @@
               "properties": {
                 "message": {
                   "type": "string"
+                },
+                "reassigned_resources": {
+                  "type": [
+                    "array",
+                    "null"
+                  ],
+                  "items": {
+                    "type": "object",
+                    "properties": {
+                      "resource_type": {
+                        "type": "string",
+                        "description": "The type of resource that was reassigned."
+                      },
+                      "name": {
+                        "type": "string",
+                        "description": "The name of the resource that was reassigned."
+                      },
+                      "previous_cost_center": {
+                        "type": "string",
+                        "description": "The previous cost center of the resource."
+                      }
+                    }
+                  }
                 }
               }
             },
             "examples": {
               "default": {
                 "value": {
-                  "message": "Resources successfully added to the cost center."
+                  "message": "Resources successfully added to the cost center.",
+                  "reassigned_resources": [
+                    {
+                      "resource_type": "user",
+                      "name": "monalisa",
+                      "previous_cost_center": "old-cost-center"
+                    },
+                    {
+                      "resource_type": "organization",
+                      "name": "octo-org",
+                      "previous_cost_center": "another-cost-center"
+                    },
+                    {
+                      "resource_type": "repository",
+                      "name": "octo-repo",
+                      "previous_cost_center": "yet-another-cost-center"
+                    }
+                  ]
                 }
               }
             }
diff --git a/descriptions-next/ghec/ghec.2022-11-28.yaml b/descriptions-next/ghec/ghec.2022-11-28.yaml
index e58c8281e..4d6638893 100644
--- a/descriptions-next/ghec/ghec.2022-11-28.yaml
+++ b/descriptions-next/ghec/ghec.2022-11-28.yaml
@@ -250522,10 +250522,36 @@ components:
             properties:
               message:
                 type: string
+              reassigned_resources:
+                type:
+                - array
+                - 'null'
+                items:
+                  type: object
+                  properties:
+                    resource_type:
+                      type: string
+                      description: The type of resource that was reassigned.
+                    name:
+                      type: string
+                      description: The name of the resource that was reassigned.
+                    previous_cost_center:
+                      type: string
+                      description: The previous cost center of the resource.
           examples:
             default:
               value:
                 message: Resources successfully added to the cost center.
+                reassigned_resources:
+                - resource_type: user
+                  name: monalisa
+                  previous_cost_center: old-cost-center
+                - resource_type: organization
+                  name: octo-org
+                  previous_cost_center: another-cost-center
+                - resource_type: repository
+                  name: octo-repo
+                  previous_cost_center: yet-another-cost-center
     remove_resource_from_cost_center:
       description: Response when removing resources from a cost center
       content:
diff --git a/descriptions-next/ghec/ghec.json b/descriptions-next/ghec/ghec.json
index 9e3648759..bc08ee3bb 100644
--- a/descriptions-next/ghec/ghec.json
+++ b/descriptions-next/ghec/ghec.json
@@ -335440,13 +335440,53 @@
               "properties": {
                 "message": {
                   "type": "string"
+                },
+                "reassigned_resources": {
+                  "type": [
+                    "array",
+                    "null"
+                  ],
+                  "items": {
+                    "type": "object",
+                    "properties": {
+                      "resource_type": {
+                        "type": "string",
+                        "description": "The type of resource that was reassigned."
+                      },
+                      "name": {
+                        "type": "string",
+                        "description": "The name of the resource that was reassigned."
+                      },
+                      "previous_cost_center": {
+                        "type": "string",
+                        "description": "The previous cost center of the resource."
+                      }
+                    }
+                  }
                 }
               }
             },
             "examples": {
               "default": {
                 "value": {
-                  "message": "Resources successfully added to the cost center."
+                  "message": "Resources successfully added to the cost center.",
+                  "reassigned_resources": [
+                    {
+                      "resource_type": "user",
+                      "name": "monalisa",
+                      "previous_cost_center": "old-cost-center"
+                    },
+                    {
+                      "resource_type": "organization",
+                      "name": "octo-org",
+                      "previous_cost_center": "another-cost-center"
+                    },
+                    {
+                      "resource_type": "repository",
+                      "name": "octo-repo",
+                      "previous_cost_center": "yet-another-cost-center"
+                    }
+                  ]
                 }
               }
             }
diff --git a/descriptions-next/ghec/ghec.yaml b/descriptions-next/ghec/ghec.yaml
index e58c8281e..4d6638893 100644
--- a/descriptions-next/ghec/ghec.yaml
+++ b/descriptions-next/ghec/ghec.yaml
@@ -250522,10 +250522,36 @@ components:
             properties:
               message:
                 type: string
+              reassigned_resources:
+                type:
+                - array
+                - 'null'
+                items:
+                  type: object
+                  properties:
+                    resource_type:
+                      type: string
+                      description: The type of resource that was reassigned.
+                    name:
+                      type: string
+                      description: The name of the resource that was reassigned.
+                    previous_cost_center:
+                      type: string
+                      description: The previous cost center of the resource.
           examples:
             default:
               value:
                 message: Resources successfully added to the cost center.
+                reassigned_resources:
+                - resource_type: user
+                  name: monalisa
+                  previous_cost_center: old-cost-center
+                - resource_type: organization
+                  name: octo-org
+                  previous_cost_center: another-cost-center
+                - resource_type: repository
+                  name: octo-repo
+                  previous_cost_center: yet-another-cost-center
     remove_resource_from_cost_center:
       description: Response when removing resources from a cost center
       content: