How to use the ern-orchestrator.Ensure.isEnvVariableDefined function in ern-orchestrator

)
      kaxTask.succeed()
    }
    if (isContainerPath) {
      kaxTask = kax.task('Ensuring that path is a container path')
      Ensure.isContainerPath(
        isContainerPath.p,
        isContainerPath.extraErrorMessage
      )
      kaxTask.succeed()
    }
    if (isEnvVariableDefined) {
      kaxTask = kax.task(
        `Ensuring that ${isEnvVariableDefined.name} env variable is defined`
      )
      Ensure.isEnvVariableDefined(
        isEnvVariableDefined.name,
        isEnvVariableDefined.extraErrorMessage
      )
      kaxTask.succeed()
    }
    if (manifestIdExists) {
      kaxTask = kax.task(
        `Ensuring that ${manifestIdExists.id} id exists in Manifest(s)`
      )
      await Ensure.manifestIdExists(
        manifestIdExists.id,
        manifestIdExists.extraErrorMessage
      )
      kaxTask.succeed()
    }
    if (bundleStoreUrlSetInCauldron) {