private void createActions() {
			action = new DockingAction("My Action", getOwner()) {
				@Override
				public void actionPerformed(ActionContext context) {
					Msg.showInfo(getClass(), panel, "Custom Action", "Hello!");
				}
			};
			action.setToolBarData(new ToolBarData(Icons.ADD_ICON, null));
			action.setEnabled(true);
			action.markHelpUnnecessary();
			dockingTool.addLocalAction(this, action);
		}
Plugin constructor.

@param tool The plugin tool that this plugin is added to.
GhidraBuild/Skeleton/src/main/java/skeleton/SkeletonPlugin.java