diff --git a/x-pack/plugin/core/template-resources/src/main/resources/entsearch/connector/chat/base-template.json b/x-pack/plugin/core/template-resources/src/main/resources/entsearch/connector/chat/base-template.json
new file mode 100644
index 0000000000000..3572a9584220a
--- /dev/null
+++ b/x-pack/plugin/core/template-resources/src/main/resources/entsearch/connector/chat/base-template.json
@@ -0,0 +1,86 @@
+{
+  "template": {
+    "mappings": {
+      "properties": {
+        "id": {
+          "type": "keyword"
+        },
+        "_allow_access_control": {
+          "type": "keyword"
+        },
+        "_deny_access_control": {
+          "type": "keyword"
+        },
+        "title": {
+          "type": "text",
+          "fields": {
+            "keyword": {
+              "type": "keyword"
+            }
+          },
+          "copy_to": [
+            "content_semantic"
+          ]
+        },
+        "description": {
+          "type": "text",
+          "copy_to": [
+            "content_semantic"
+          ]
+        },
+        "content": {
+          "type": "text",
+          "copy_to": [
+            "content_semantic"
+          ]
+        },
+        "content_semantic": {
+          "type": "semantic_text"
+        },
+        "url": {
+          "type": "keyword"
+        },
+        "type": {
+          "type": "keyword"
+        },
+        "provenance": {
+          "type": "keyword"
+        },
+        "owner": {
+          "properties": {
+            "name": {
+              "type": "text",
+              "fields": {
+                "keyword": {
+                  "type": "keyword"
+                }
+              }
+            },
+            "email_address": {
+              "type": "keyword"
+            },
+            "id": {
+              "type": "keyword"
+            }
+          }
+        },
+        "keywords": {
+          "type": "text"
+        },
+        "tags": {
+          "type": "keyword"
+        },
+        "created_at": {
+          "type": "date"
+        },
+        "updated_at": {
+          "type": "date"
+        },
+        "metadata": {
+          "dynamic": true,
+          "properties": {}
+        }
+      }
+    }
+  }
+}
diff --git a/x-pack/plugin/core/template-resources/src/main/resources/entsearch/connector/chat/comments-template.json b/x-pack/plugin/core/template-resources/src/main/resources/entsearch/connector/chat/comments-template.json
new file mode 100644
index 0000000000000..bc24f927c2cd3
--- /dev/null
+++ b/x-pack/plugin/core/template-resources/src/main/resources/entsearch/connector/chat/comments-template.json
@@ -0,0 +1,46 @@
+{
+  "template": {
+    "mappings": {
+      "properties": {
+        "comments": {
+          "type": "nested",
+          "properties": {
+            "id": {
+              "type": "keyword"
+            },
+            "author": {
+              "properties": {
+                "email": {
+                  "type": "keyword"
+                },
+                "name": {
+                  "type": "text",
+                  "fields": {
+                    "keyword": {
+                      "type": "keyword"
+                    }
+                  }
+                },
+                "id": {
+                  "type": "keyword"
+                }
+              }
+            },
+            "content": {
+              "type": "text"
+            },
+            "replies_to": {
+              "type": "keyword"
+            },
+            "created_at": {
+              "type": "date"
+            },
+            "updated_at": {
+              "type": "date"
+            }
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/x-pack/plugin/core/template-resources/src/main/resources/entsearch/connector/chat/support-template.json b/x-pack/plugin/core/template-resources/src/main/resources/entsearch/connector/chat/support-template.json
new file mode 100644
index 0000000000000..1509b76966dfe
--- /dev/null
+++ b/x-pack/plugin/core/template-resources/src/main/resources/entsearch/connector/chat/support-template.json
@@ -0,0 +1,67 @@
+{
+  "index_patterns": ["content-chat-support-v1-*"],
+  "template": {
+    "mappings": {
+      "properties": {
+        "metadata": {
+          "properties": {
+            "support": {
+              "properties": {
+                "status": {
+                  "type": "keyword"
+                },
+                "assignee": {
+                  "properties": {
+                    "name": {
+                      "type": "text",
+                      "fields": {
+                        "keyword": {
+                          "type": "keyword"
+                        }
+                      }
+                    },
+                    "email_address": {
+                      "type": "keyword"
+                    },
+                    "id": {
+                      "type": "keyword"
+                    }
+                  }
+                },
+                "category": {
+                  "type": "keyword"
+                },
+                "customer": {
+                  "properties": {
+                    "name": {
+                      "type": "text",
+                      "fields": {
+                        "keyword": {
+                          "type": "keyword"
+                        }
+                      }
+                    },
+                    "email_address": {
+                      "type": "keyword"
+                    },
+                    "id": {
+                      "type": "keyword"
+                    }
+                  }
+                },
+                "resolved_at": {
+                  "type": "date"
+                },
+                "urgency": {
+                  "type": "keyword"
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  },
+  "composed_of": ["base-template", "comments-template"],
+  "version": 1
+}