How To Access The Id Of A Collapsetool In A Grid?

I'm trying to access the ID of the collapseTool in a grid, but I'm not having any luck. Here's a pic of my console when I simply console out the grid. console.log(grid); and I wo

Solution 1:

I have used same console.log(grid.collapseTool.getId()) it is working fine.

You check here on my sencha fiddle demo.

Here, Also you can check how-to-have-reference-to-an-accordin-in-extjs?.