CORE_EDITOR_IMAGE_SEARCH CORE Endpoint
  /ondemand/core/?method=CORE_EDITOR_IMAGE_SEARCH  
  Get a TinyMCE compliant javascript array of images (attachments) linked to sites.

Set tinyMCE.init() parameter as

external_image_list_url : "/ondemond/core/?method=CORE_EDITOR_IMAGE_SEARCH"
 
  PARAMETERS TYPE NOTES
  object Numeric  
  objectcontext Numeric  
  RETURN  
  tinyMCEImageList Javascript array