The code "delivery.operation_id = instance.vars.operation_id" is inside the delivery script tab. What action is being performed by the code?
Correct Answer: D
Explanation The code "delivery.operation_id = instance.vars.operation_id" is used to link together the delivery with the campaign that it belongs to1. Therefore, option D is the correct answer. https://experienceleaguecommunities.adobe.com/t5/adobe-campaign-classic-questions/operation-id-campaign-lin