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If there is a function that you don't see available that would be needed to fit your use case you can first check the release notes of later FlexDeploy versions to see if the function you need has since been added. If you still don't see your function you can open an enhancement request on the support site.
My HMAC string is not matching
The most common reason for your HMAC string not generating correctly is by using the PAYLOAD variable instead of the FLX_PRISTINE_PAYLOAD variable. PAYLOAD has been formatted and converted by FlexDeploy to allow easier manipulation whereas FLX_PRISTINE_PAYLOAD is the payload exactly as it was received. FLX_PRISTINE_PAYLOAD should be the payload used when generating HMAC strings. Some other reasons why it may not be matching are:
- Incorrect algorithm used (check your providers documentation to verify what algorithm they encrypt with).
- The Provider is encrypting more than just the payload. For example, Slack encrypts the payload, timestamp and other fields into the HMAC string.