CORE_EDITOR_MEDIA_SEARCH CORE Endpoint
  /ondemand/core/?method=CORE_EDITOR_MEDIA_SEARCH  
  Get a TinyMCE compliant javascript array of video media files (attachments) linked to sites.

Set tinyMCE.init() parameter as

external_media_list_url : "/ondemond/core/?method=CORE_EDITOR_MEDIA_SEARCH"
 
  PARAMETERS TYPE NOTES
  object Numeric  
  objectcontext Numeric  
  RETURN  
  tinyMCEMediaList Javascript array