Use the Add Geometry tool in AutoCAD Electrical toolset to add the graphics to the block definition containing the previously added attributes.
Add Geometry Results:
Add geometry to the block

.  Find 
  Select block for additional geometry: Select 9PB
Select objects: Select the graphics for the push button, right-click

Specify insertion point: Select the middle of the push button
The geometry is associated to the template block files. Check that everything has been tied to the block by mousing-over 9PB. The text, wire connection attributes, description text, and geometry highlights.

Your blocks are now AutoCAD Electrical toolset-smart.