> ## 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.

# Check if ABAC attribute is in use

> <div style="text-align: center; margin: 1rem 0 1rem 0;"><img src="https://raw.githubusercontent.com/RocketChat/Rocket.Chat-Open-API/main/images/Defense.svg" alt="Defense" style="display: block; margin: auto"></div>

- Checks whether an ABAC attribute definition is currently used by any room.
- Requires the `abac-management` and `manage-abac-admin-room-attributes` permissions.

### Changelog
| Version | Description |
| ------- | ----------- |
| 8.0.0   | Added |
| 8.5.0   | Added the `manage-abac-admin-room-attributes` granular permission requirement. |

## OpenAPI

````json GET /api/v1/abac/attributes/:key/is-in-use
{
  "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/abac/attributes/:key/is-in-use": {
      "parameters": [],
      "get": {
        "summary": "Check if ABAC attribute is in use",
        "tags": [
          "ABAC"
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "success": {
                      "type": "boolean"
                    },
                    "inUse": {
                      "type": "boolean"
                    }
                  },
                  "x-examples": {
                    "Example 1": {
                      "success": true,
                      "inUse": true
                    }
                  }
                },
                "examples": {
                  "Success": {
                    "value": {
                      "success": true,
                      "inUse": true
                    }
                  }
                }
              }
            }
          },
          "401": {
            "description": "Unauthorized",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "success": {
                      "type": "boolean"
                    },
                    "error": {
                      "type": "string"
                    }
                  },
                  "x-examples": {
                    "Example 1": {
                      "success": false,
                      "error": "error-unauthorized"
                    }
                  }
                },
                "examples": {
                  "Unauthorized login attempt": {
                    "value": {
                      "success": false,
                      "error": "error-unauthorized"
                    }
                  }
                }
              }
            }
          },
          "403": {
            "description": "Forbidden",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "success": {
                      "type": "boolean"
                    },
                    "error": {
                      "type": "string"
                    }
                  },
                  "x-examples": {
                    "Example 1": {
                      "success": false,
                      "error": "error-not-authorized"
                    }
                  }
                },
                "examples": {
                  "Missing required ABAC permissions": {
                    "value": {
                      "success": false,
                      "error": "error-not-authorized"
                    }
                  }
                }
              }
            }
          }
        },
        "operationId": "get-abac-attributes-:key-is-in-use",
        "description": "<div style=\"text-align: center; margin: 1rem 0 1rem 0;\"><img src=\"https://raw.githubusercontent.com/RocketChat/Rocket.Chat-Open-API/main/images/Defense.svg\" alt=\"Defense\" style=\"display: block; margin: auto\"></div>\n\n- Checks whether an ABAC attribute definition is currently used by any room.\n- Requires the `abac-management` and `manage-abac-admin-room-attributes` permissions.\n\n### Changelog\n| Version | Description |\n| ------- | ----------- |\n| 8.0.0   | Added |\n| 8.5.0   | Added the `manage-abac-admin-room-attributes` granular permission requirement. |",
        "parameters": [
          {
            "$ref": "#/components/parameters/Auth-Token"
          },
          {
            "$ref": "#/components/parameters/UserId"
          }
        ]
      }
    }
  },
  "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"
      }
    }
  }
}
````