| id | Unique action id used to find it back later. | 
| providerId | The search provider ID that supports this action. | 
| content | Displays the displayname, an icon, and a tooltip when displaying the action in the Action Menu. | 
| handler | Handler that executes the action. | 
| name | Label name when displaying the action in the Action Menu. | 
| icon | Icon for the action in the Action Menu. | 
| tooltip | Tooltip associated with the action when displayed in the Action Menu. | 
Default constructor to build a search action.