practical example of a jacoco execution.groovy

post {
    always {
        archiveArtifacts artifacts: '**/build/libs/*.war', onlyIfSuccessful: true
        jacoco(
            classPattern: '**/classes/kotlin/main',
            sourcePattern: '**/src/main/kotlin',
            sourceInclusionPattern: '**/*.kt'
        )
    }
    success {
        slackSend(
            channel: "3ds_2_issuer",
            color: 'good',
            message: "*${env.JOB_NAME}* #${env.BUILD_NUMBER} passed (${env.BUILD_URL}) :thumbsup:"
        )
    }
    ...