Trigger an external deployment pipeline

Jenkinsfile

stage('Start deployment') {
  when {
    branch 'master'
  }
  steps {
    build job: "Deployment/${serviceName}/${env.BRANCH_NAME}",
    propagate: true,
    wait: true,
    parameters: [
      [$class: 'StringParameterValue', name: 'imageName', value: imageName],
      [$class: 'StringParameterValue', name: 'serviceName', value: serviceName],
      [$class: 'StringParameterValue', name: 'tag', value: "${env.BUILD_NUMBER}"]
    ]
  }
}