SETUP_CONTACT_ATTRIBUTE_LEVEL_MANAGE SETUP Endpoint
  /rpc/setup/?method=SETUP_CONTACT_ATTRIBUTE_LEVEL_MANAGE  
  Object: 412. Click here for more information.  
  PARAMETERS TYPE  
  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
       
  DisplayOrder Numeric  
  Hidden Text (1) Y / N [default]
  InternalReference Numeric  
  Notes Text (2000)  
  ParentLevel Numeric  
  Reference Text (100)  
  Title Text (250) Mandatory
  RETURN  
  id