fetch trigger configuration from configmap/secret

[m-ronchi]

Hi,
I am creating a slack trigger like this:

triggers:
    - template:
        name: slack-trigger
        slack:
          slackToken:
            name: slack-secret
            key: token
          channel: __PLACEHOLDER__
          message: hello world
      parameters:
        - src:
            dependencyName: event
            dataKey: body.channel
          dest: slack.channel
        - src:
            dependencyName: event
            dataKey: body.message # will become template eventually
          dest: slack.message

and I want to fill the channel (and potentially parts of the message) in a k8s configmap (or secret) instead of the event body.

I want different slack channels between dev and prod deployments but the template should be shared.
I also need different channels depending on the body (with internal mapping , e.g. body with {key: "foo"} will go to bar), I can use a lua/jq script for this