# Retrieve custom field by ID. Retrieve information about a specific custom field for an entity type within the Property Management System (PMS). This includes reference to the associated entity the custom field is linked to, i.e., BOOKING, BUILDING, CONTACT, COMPANY, UNIT, SALES_INVOICE, SALES_CREDIT, ROOM_STAY Endpoint: GET /api/v3/customFields/{id} Version: 3.0.12 Security: X-Auth-Token ## Path parameters: - `id` (integer, required) ID of a specific custom field ## Response 200 fields (application/json): - `id` (integer) - `value` (string) - `objectName` (string) - `objectId` (integer) - `template` (object) - `template.type` (string) Enum: "DATE", "DROPDOWN_LIST", "FILE", "LONG_TEXT", "NUMBER", "TEXT", "URI", "YES_OR_NO" - `template.entityType` (string) Enum: "BOOKING", "BUILDING", "CONTACT", "COMPANY", "UNIT", "SALES_INVOICE", "SALES_CREDIT", "ROOM_STAY" - `template.name` (string)