post https://services.fountain.com/api/serviceworkforce/processes/locationGroups/custom_attributes
Creates a Location Group and upserts its Company Attributes in one request. The provided customAttributesPayload replaces the entire set of attributes attached to the location group: omit the field to create the location group without company attributes; provide an empty array ([]) to create the location group with no attributes. Values must match the attribute data type configured for the company attribute.