stages {  
  stage('Secret-Masking') {
    script {
      MASKED_SECRET = 'I_AM_MASKED'
      MULTI_LINE_MASKED_SECRET = """I_AM
_NOT_MASKED"""
      wrap([$class: 'MaskPasswordsBuildWrapper',
            varPasswordPairs: [[password: MASKED_SECRET]]]) {
        echo 'MASKED_SECRET: ' + MASKED_SECRET
      }
      wrap([$class: 'MaskPasswordsBuildWrapper',
            varPasswordPairs: [[password: MULTI_LINE_MASKED_SECRET]]]) {
        echo 'MULTI_LINE_MASKED_SECRET: ' + MULTI_LINE_MASKED_SECRET
      }
    }
  }
}