Complete Trigger
The complete trigger is called on the next page action.
The complete trigger completes the survey if the ('question' value 'operator' 'value') returns true.
The following 'operator' values are available: "empty", "notempty", "equal", "notequal", "greater", "less", "greaterorequal", "lessorequal", "contains" and "notcontains". The default value is "equal".