Lists training jobs.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/sagemaker/list-training-jobs.html
| aws sagemaker list-training-jobs -endpoint-url VPC_Endpoint_ID.api.sagemaker.Region.vpce.amazonaws.com |
| Protect Training Jobs by Using an Amazon Virtual Private Cloud - Amazon SageMaker : http://docs.aws.amazon.com/sagemaker/latest/dg/interface-vpc-endpoint.html |