Label Description: This is the description of the label to create when the build is complete. Job parameters as well as the following may be used as variables:
- ${JOB_NAME} - the name of the job
- ${BUILD_TAG} - as defined by Hudson/Jenkins (eg. "jenkins-jobName-1")
- ${BUILD_ID} - the build ID, which is the date in the format: YYYY-MM-DD_hh-mm-ss (eg. "2005-08-22_23-59-59")
- ${BUILD_NUMBER} - the job number