Commands created with MyToolbar can be additionally customized using SOLIDWORKS functionality.
Navigate to Customize... menu in SOLIDWORKS by clicking on the empty space in toolbar or command manager area in SOLIDWORKS application.
Assigning shortcuts to commands
To assign shortcut navigate to Keyboard tab and search for the command from MyToolbar (either select the toolbar from the drop-down menus or type command name):
Click on the Shortcut(s) cell and assign the key combination.
Adding commands to command manager tab boxes
Commands created with MyToolbar can be hosted on any other toolbar or command tab boxes.
Navigate to the toolbar in the Commands tab of the Customize dialog.
Drag-n-drop the required command into the SOLIDWORKS toolbar area (other toolbar or command tab box)
Due to current limitation, the commands are not rendered properly in the Buttons area as shown on the picture below. But still can be dragged onto the toolbar and will function as normal.