value - The value of the component is the ID of an Action Group config definition. See the Externalised Client Actions for more information on action and action group config definitions.
context - Context must be value-bound to a Node instance that provides the action context to each action in the action group definition.
verticalSpacing - If set to a +ve integer value, it forces the action group to render vertically rather than horizontally. The spacing value defines the spacing between each vertically rendered action.
showLink - Whether each action should be shown as an icon plus a link or if set false then just an icon.
Example where the action group called my_document_actions is referenced and the showLink component attribute is set to false to display a list of icons with no textual links: