ADMIN_OBJECT_PROPERTY_MANAGE ADMIN Endpoint
  /rpc/admin/?method=ADMIN_OBJECT_PROPERTY_MANAGE  
  Only available for Super Users  
  PARAMETERS TYPE NOTES
  DataReturn Text A comma delimited list of advanced search fields to be returned after a successful save
  Id Numeric  
  Remove Numeric Pass '1' to remove the item
       
  InternalProperty1 Text (100) Available for super users only
  InternalProperty2 Text (100)  
  Notes Text (2000)  
  Object Numeric Mandatory. As per CORE_OBJECT_SEARCH
  Property1 Text (100)  
  Property2 Text (100)  
  SubType Numeric 1 = Area, 2 = Contact Business, 3 = Contact Person, 4 = Object / Object Context, 5 = Project
  Type Numeric 1 = Numeric, 2 = Date, 3 = Other [default]
  RETURN  
  id