So, devops documentation can be really rough. I spent a lot of time trying to figure out how to run a new pipeline with expected parameters. This is for multi-stage pipelines. The pipeline yaml looked something like this: parameters: - name: service type: string variables: - name: service value: '' trigger: none resources: repositories: - repository: self stages: - template: child-template.yml parameters: service: ${{ parameters.service }} child-template-parameter: 'parameter-value' I tried multiple ......