| actionName | The path and name of the menu item. Use the path, delimited by forward slashes ('/'), to place the menu item within a submenu. |
| actionCallback | The action to execute when the menu item is selected. |
| actionStatusCallback | The function called to determine if the menu item is enabled. |
| userData | The object to store in the <b>userData</b> property. |
| icon | The icon to display to the user. |
Initializes a menu action with specified parameters.
| contentName | The path and name of the menu item. Use the path, delimited by forward slashes ('/'), to place the menu item within a submenu. |
| content | The visual element for the custom menu item. |
| actionStatusCallback | The function called to determine if the menu item is enabled. |
| userData | The object to store in the <b>userData</b> property. |
Initializes a menu action with specified parameters.