void setPopupMenu(String name, boolean isSignatureAction) {
		setPopupMenuData(new MenuData(
			new String[] { FunctionPlugin.SET_DATA_TYPE_PULLRIGHT, dataType.getDisplayName() },
			group));
	}
Base class for actions to create data types
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/function/DataAction.java