Jenkins Credentials Binding pipeline groovy

creds.groovy

try {
  err = null
  currentBuild.result = "SUCCESS"
    
  node {
    stage 'One'
      // using a single secret Jenkins credential
      withCredentials([[$class: 'StringBinding', credentialsId: 'my-api-token', variable: 'API_TOKEN']]) {
        sh '''
          set +x
          echo '$API_TOKEN (should be masked by Jenkins UI as ***): ' "$API_TOKEN"
        '''
      }
  }
} catch (caughtError) {
    err = caughtError
    currentBuild.result = "FAILURE"
} finally {
    if (err) {
        throw err
    }
}