accordion with angular JS and need to call onAfterExpand function

Hello,

I have a requirement, and have a single page application where I am showing 4 different section in using 4 accordion and I need to know how I can use separate controller for each accordion and how I can call the onExpand function so that I can load the data on every expansion for specific accordion, please let me know whether this can be possible or not, because we have an urgent requirement for this.

You can use onAfterExpand event to trigger some specific code on section expand
http://webix.com/snippet/e6e886ef