java-tutorials/testing-modules/gatling/src/test/scala/Engine.scala

import io.gatling.app.Gatling
import io.gatling.core.config.GatlingPropertiesBuilder

object Engine extends App {

  val props = new GatlingPropertiesBuilder()
    .resourcesDirectory(IDEPathHelper.resourcesDirectory.toString)
    .resultsDirectory(IDEPathHelper.resultsDirectory.toString)
    .binariesDirectory(IDEPathHelper.mavenBinariesDirectory.toString)

  Gatling.fromMap(props.build)
}