How to use the @aws-cdk/aws-stepfunctions.Condition.stringEquals function in @aws-cdk/aws-stepfunctions

},
      inputPath: `$`,
      resultPath: `$.buildStatus.${id}`,
      outputPath: '$'
    })

    const waitForBuild = new Wait(this, `Wait for ${id}`, {
      duration: WaitDuration.seconds(10)
    })

    this.task.next(waitForBuild)
    waitForBuild.next(checkBuildTask)
    checkBuildTask.next(
      new Choice(this, `${id} done?`)
        .when(
          Condition.stringEquals(
            `$.buildStatus.${id}.buildStatus`,
            'SUCCEEDED'
          ),
          new Succeed(this, `Success ${id}`)
        )
        .when(
          Condition.stringEquals(
            `$.buildStatus.${id}.buildStatus`,
            'IN_PROGRESS'
          ),
          waitForBuild
        )
        .otherwise(new Fail(this, `Failure ${id}`))
    )
  }
}

duration: WaitDuration.seconds(10)
    })

    this.task.next(waitForBuild)
    waitForBuild.next(checkBuildTask)
    checkBuildTask.next(
      new Choice(this, `${id} done?`)
        .when(
          Condition.stringEquals(
            `$.buildStatus.${id}.buildStatus`,
            'SUCCEEDED'
          ),
          new Succeed(this, `Success ${id}`)
        )
        .when(
          Condition.stringEquals(
            `$.buildStatus.${id}.buildStatus`,
            'IN_PROGRESS'
          ),
          waitForBuild
        )
        .otherwise(new Fail(this, `Failure ${id}`))
    )
  }
}