# Retrieve Access Group Retrieve an Access Group by Id. This endpoint allows you to fetch detailed information about a specific Access Group using its unique identifier. The response includes all relevant details of the Access Group. Endpoint: GET /api/v3/accessGroups/{id} Version: 3.0.4 Security: OAuth2 ## Path parameters: - `id` (integer, required) Id of Access Group ## Response 200 fields (application/json): - `id` (integer) Id of Access Group - `name` (string, required) Name of Access Group - `building` (object, required) Building associated with the unit type - `building.id` (integer) Unique identifier of the building - `building.name` (string) Name of the building - `externalIdentifier` (string, required) External Identifier of Access Group