[OPEN] Row expander plugin on girpanel

I want to add rowexpander plugin on gridpanel but in Architect3 there is no way to do this:( i attached image where is the list of all available plugins in Architect3 for gridpanel.

Attachment 48340

Attached Images

• Screen Shot 2014-03-18 at 07.53.35 PM.jpg‎ (74.2 KB)