How to edit Custom Buttons

Editing a Custom Button will update the button on any layouts it is on.

To edit a Custom Object:

1. Go to System Settings > Objects and Fields.
   
2. Select an object and click Custom Buttons.
   
3. Find the button you want to edit. Click the three-dot menu.
4. Click Edit This Custom Button.
   
5. Edit the button's details and click Update Custom Button.