Set build description, disable concurrent builds and build discarder using declarative pipeline in Jenkins

build_description.groovy

pipeline{
    agent { label 'master' }
	parameters {
	   string(name: 'EMAIL_ID', defaultValue: '', description: 'Email ID')
        }

	 options {
		  disableConcurrentBuilds()
		  buildDiscarder(logRotator(numToKeepStr: '10', daysToKeepStr: '5', artifactDaysToKeepStr: '4', articatNumToKeepStr: '4')) 
	 }

	stages{
	    stage("Branch check"){
		steps{
		   script{
			currentBuild.description="${EMAIL_ID}"
			currentBuild.displayName="This is my ${EMAIL_ID}"
		   }
		}
	    }
       }
}