# Access Groups Access Group entities from the Property Management System (PMS), used to map access groups from integrated access control systems, providing detailed information and management capabilities for access control within buildings and facilities. ## Retrieve list of Access Groups - [GET /api/v3/accessGroups](https://apidocs.resharmonics.com/apis/resharmonics-pms/access-groups/listallaccessgroups.md): Retrieve list of Access Groups based on search parameters such as building ID and name. Supports pagination. ## Create Access Group - [POST /api/v3/accessGroups](https://apidocs.resharmonics.com/apis/resharmonics-pms/access-groups/createaccessgroup.md): Create a new Access Group within the Property Management System (PMS). This endpoint allows you to add a new access group, which can be used to manage access control within buildings and facilities. ## Retrieve Access Group - [GET /api/v3/accessGroups/{id}](https://apidocs.resharmonics.com/apis/resharmonics-pms/access-groups/getunitaccessgroupbyid_1.md): 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. ## Update Access Group - [PUT /api/v3/accessGroups/{id}](https://apidocs.resharmonics.com/apis/resharmonics-pms/access-groups/updateaccessgroup.md): Update an Access Group within the Property Management System (PMS). The Access Group must exist to be updated. This endpoint allows you to modify the details of an existing access group, ensuring that access control information is kept up-to-date.