How to use the kfp.dsl.Condition function in kfp

"--train-steps", train_steps, "--deploy-webapp", deploy_webapp],
      file_outputs={'output': '/tmp/output'}

      ).apply(gcp.use_gcp_secret('user-gcp-sa'))

  serve = dsl.ContainerOp(
      name='serve',
      image='gcr.io/google-samples/ml-pipeline-kubeflow-tfserve',
      arguments=["--model_name", 'ghsumm-%s' % ('{{workflow.name}}',),
          "--model_path", '%s/%s/model_output/export' % (working_dir, '{{workflow.name}}')
          ]
      )
  serve.after(train)
  train.set_gpu_limit(4)

  with dsl.Condition(train.output == 'true'):
    webapp = dsl.ContainerOp(
        name='webapp',
        image='gcr.io/google-samples/ml-pipeline-webapp-launcher',
        arguments=["--model_name", 'ghsumm-%s' % ('{{workflow.name}}',),
            "--github_token", github_token]

        )
    webapp.after(serve)

def flipcoin_pipeline():
    flip = flip_coin_op()
    with dsl.Condition(flip.output == 'heads'):
        random_num_head = random_num_op(0, 9)
        with dsl.Condition(random_num_head.output > 5):
            print_op('heads and %s > 5!' % random_num_head.output)
        with dsl.Condition(random_num_head.output <= 5):
            print_op('heads and %s <= 5!' % random_num_head.output)

    with dsl.Condition(flip.output == 'tails'):
        random_num_tail = random_num_op(10, 19)
        with dsl.Condition(random_num_tail.output > 15):
            print_op('tails and %s > 15!' % random_num_tail.output)
        with dsl.Condition(random_num_tail.output <= 15):
            print_op('tails and %s <= 15!' % random_num_tail.output)

def flip_component(flip_result):
    print_flip = print_op(flip_result)
    flipA = flip_coin_op().after(print_flip)
    with dsl.Condition(flipA.output == 'heads'):
        # When the flip_component is called recursively, the flipA.output
        # from inside the graph component will be passed to the next flip_component
        # as the input whereas the flip_result in the current graph component
        # comes from the flipA.output in the flipcoin function.
        flip_component(flipA.output)

def flipcoin_pipeline():
    flip = flip_coin_op()
    with dsl.Condition(flip.output == 'heads'):
        random_num_head = random_num_op(0, 9)
        with dsl.Condition(random_num_head.output > 5):
            print_op('heads and %s > 5!' % random_num_head.output)
        with dsl.Condition(random_num_head.output <= 5):
            print_op('heads and %s <= 5!' % random_num_head.output)

    with dsl.Condition(flip.output == 'tails'):
        random_num_tail = random_num_op(10, 19)
        with dsl.Condition(random_num_tail.output > 15):
            print_op('tails and %s > 15!' % random_num_tail.output)
        with dsl.Condition(random_num_tail.output <= 15):
            print_op('tails and %s <= 15!' % random_num_tail.output)