For a more secure option, you can provide a S2S URL for completes. The Parameters appended depend on those you select in the entry link or as optional parameters to included for completed surveys
Example Complete URL
The CPI value can only be returned for completes when using a S2S callback, and will not be appended in the completes redirect link
If you’ve added a Hashkey, this will return appended as “&asr_s_hash=”