What are Activity Codes and why do I want to use them? Let's say you need to filter on all of the Design activities in your Primavera P6 project - you need Activity Codes. Or perhaps you want to identify and track activities that belong to a subcontractor - you need Activity Codes. How about tallying costs of your subcontractors' activities? Activity Codes again. Primavera P6's Activity Codes are an essential tool for coding, identifying, filtering and managing project data. Our Activity Codes in Primavera P6 online course will teach you all you need to know to use Activity Code in your P6 project. From how to build custom codes to coding activities and using them to tally costs, this course will take you through real examples of using Activity Codes to help manage projects in Primavera P6.