Select one or more activities or containers on the Process Editor canvas.
Right-mouse click and select
Add to Palette
The Custom palette appears, if it was previously empty. The selection is added to the Custom palette as
Right-click the custom icon and select
Rename the custom icon by typing in the Name field.
You can use either Small (20 x 20 max.) or Large (32 x 32 max.) images for the item's icon.