CORE_FAVOURITE_MANAGE CORE Endpoint
  /rpc/core/?method=CORE_FAVOURITE_MANAGE  
  Object: 279. Click here for more information.  
  A user can set any object data as favourite/liked - eg a favourite contact.

The list of favourites can be retrieved using CORE_FAVOURITE_SEARCH or in conjunction with advanced search using IS_FAVOURITE filter. 
 
  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
       
  Notes Text (2000) Optional user notes
  Object Numeric  
  ObjectContext Numeric  
  Type Numeric As per SETUP_CORE_FAVOURITE_TYPE_MANAGE
  RETURN  
  notes ADDED, REMOVED