This dialog appears when you click the button in the value cell of Click Priority property in the Report Inspector. It is used to set the priority of the actions that will be triggered at runtime when you click on certain objects which are bound with actions.
The following are details about options in the dialog:
Click Priority
Specifies the click priority of the actions. Move the one you want to have the highest priority to the top of the list.
OK
Applies the changes and closes the dialog.
Cancel
Does not retain any changes and closes the dialog.
Help
Displays the help document about this feature.