What makes Credential Parameter special that it can be used in Bind area?

[Michael Carter]

Was designing my own "Credential Parameter" (basically a clone of the existing one with some extra on screen filtering) and it wasn't working... kept getting:

ERROR: Could not find credentials entry with ID '${Testing}'

In trying to trace the problem... if I use a String parameter.  I get the same error.  So my question what makes the "Credential Parameter" special that you can use it's ${name} in the  freestyle jobs Bind area for pulling passwords to variables?

[Matt Sicker]

As long as the UI in question is calling
CredentialsProvider.findCredentialsById(), that will automatically
parse the ${} syntax and replace them with parameter values. At a
super low level, this works via the following invisible action
attached to the build:
https://github.com/jenkinsci/credentials-plugin/blob/master/docs/consumer.adoc#binding-user-supplied-credentials-parameters-to-builds

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--
Matt Sicker
Senior Software Engineer, CloudBees

[Matt Sicker]

More info is in that doc elsewhere by the way such as the guide for
exposing said UI:
https://github.com/jenkinsci/credentials-plugin/blob/master/docs/consumer.adoc#providing-a-ui-form-element-to-let-a-user-select-credentials

[Michael Carter]

Thanks that got me to where I needed to be.  my solution was a fresh class modelled after CredentialsParameterValue... didn't realize there was a step actually looking for the CredentialsParameterValue class.   So now I'm extending it and heavily overriding everything.  My solution is working now.

Thanks again.

Michael