CORE_DEBUG_TOGGLE CORE Endpoint
  /rpc/core/?method=CORE_DEBUG_TOGGLE  
  Turn on or off the return of debug information with the call. If you are not a SuperUser, you need to contact one to provide a key (see CORE_DEBUG_GET_KEY)  
  PARAMETERS Type  
  DebugKey Text (50) Mandatory if you are not a Super User and are enabling Debug Mode
  RETURN  
  DebugEnabled Y / N