> ## Documentation Index
> Fetch the complete documentation index at: https://developer.rocket.chat/llms.txt
> Use this file to discover all available pages before exploring further.

# Add Channel Owner

> Assign the `owner` role to a channel member. See <a href='https://docs.rocket.chat/docs/room-roles' target='_blank'>Room Roles</a> for details about the roles.

Permission required:  `set-owner`
### Changelog
| Version | Description               |
| ------- | ------------------------- |
| 0.49.4   | Added                    |

## OpenAPI

````json POST /api/v1/channels.addOwner
{
  "openapi": "3.0.0",
  "info": {
    "version": "1.0.0",
    "title": "Rooms"
  },
  "servers": [
    {
      "url": "https://apiexplorer.support.rocket.chat"
    }
  ],
  "tags": [
    {
      "name": "Channels"
    },
    {
      "name": "Directory"
    },
    {
      "name": "Groups"
    },
    {
      "name": "Rooms"
    },
    {
      "name": "Teams"
    },
    {
      "name": "Room Invites"
    },
    {
      "name": "Subscriptions"
    },
    {
      "name": "ABAC"
    }
  ],
  "paths": {
    "/api/v1/channels.addOwner": {
      "post": {
        "tags": [
          "Channels"
        ],
        "summary": "Add Channel Owner",
        "description": "Assign the `owner` role to a channel member. See <a href='https://docs.rocket.chat/docs/room-roles' target='_blank'>Room Roles</a> for details about the roles.\n\nPermission required:  `set-owner`\n### Changelog\n| Version | Description               |\n| ------- | ------------------------- |\n| 0.49.4   | Added                    |",
        "operationId": "post-api-v1-channels.addOwner",
        "parameters": [
          {
            "$ref": "#/components/parameters/Auth-Token"
          },
          {
            "$ref": "#/components/parameters/UserId"
          }
        ],
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "roomId": {
                    "type": "string",
                    "description": "The channel ID."
                  },
                  "userId": {
                    "type": "string",
                    "description": "The user ID that you want to set as the channel owner."
                  }
                },
                "required": [
                  "roomId",
                  "userId"
                ]
              },
              "examples": {
                "Example": {
                  "value": {
                    "roomId": "WDuJLFkjwk6L7LdFC",
                    "userId": "b66oZ8i9pkeSko33v"
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "$ref": "#/components/responses/trueSuccess"
          },
          "400": {
            "description": "Bad Request",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "success": {
                      "type": "boolean"
                    },
                    "error": {
                      "type": "string"
                    },
                    "errorType": {
                      "type": "string"
                    },
                    "details": {
                      "type": "object",
                      "properties": {
                        "method": {
                          "type": "string"
                        }
                      }
                    }
                  }
                },
                "examples": {
                  "User is alrready an owner": {
                    "value": {
                      "success": false,
                      "error": "User is already an owner [error-user-already-owner]",
                      "errorType": "error-user-already-owner",
                      "details": {
                        "method": "addRoomOwner"
                      }
                    }
                  }
                }
              }
            }
          },
          "401": {
            "$ref": "#/components/responses/authorizationError"
          }
        }
      }
    }
  },
  "components": {
    "parameters": {
      "Auth-Token": {
        "name": "X-Auth-Token",
        "in": "header",
        "description": "The `authToken` of the authenticated user.",
        "required": true,
        "schema": {
          "type": "string"
        },
        "example": "RScctEHSmLGZGywfIhWyRpyofhKOiMoUIpimhvheU3f"
      },
      "UserId": {
        "name": "X-User-Id",
        "in": "header",
        "description": "The `userId` of the authenticated user.",
        "required": true,
        "schema": {
          "type": "string"
        },
        "example": "rbAXPnMktTFbNpwtJ"
      }
    },
    "responses": {
      "trueSuccess": {
        "description": "OK",
        "content": {
          "application/json": {
            "schema": {
              "type": "object",
              "properties": {
                "success": {
                  "type": "boolean"
                }
              }
            },
            "examples": {
              "Success": {
                "value": {
                  "success": true
                }
              }
            }
          }
        }
      },
      "authorizationError": {
        "description": "Unauthorized",
        "content": {
          "application/json": {
            "schema": {
              "type": "object",
              "properties": {
                "status": {
                  "type": "string"
                },
                "message": {
                  "type": "string"
                }
              }
            },
            "examples": {
              "Authorization Error": {
                "value": {
                  "status": "error",
                  "message": "You must be logged in to do this."
                }
              }
            }
          }
        }
      }
    }
  }
}
````