1. From Setup, enter Groups in the Quick Find box, then select Group Layouts.
2. Click Edit next to the group layout you want to customize, or clickNew to create a layout.
3. Click override the global publisher layout in the Quick Actions in the Salesforce Classic Publisher section or overridethe predefined actions in the Salesforce Mobile and Lightning Experience Actions section. Drag and drop actions between the palette and the publisher layout to add, remove, and reorder actions. Changes to the Quick Actions in the Salesforce Classic Publisher sectionappear in the full Salesforce site. Changes to the Salesforce Mobile and Lightning Experience Actions section appear in the Salesforce mobileapp and Lightning Experience. In groups that allow customers, the publisher only showsstandard actions.