Clay uses Instantly's v2 API. If you have existing "Add Lead to Campaign" columns that were created before the v2 update, you'll need to create new columns from "Add enrichment" - don't duplicate the original columns.
Any columns created after the 2025 update automatically use v2, while older columns may still be using the deprecated v1 API.
from your screenshot, it looks like you’re on Instantly v2 the “Select Instantly account” and “Campaign ID” mapping fields are part of the v2 integration UI