add step sequence

Author: cloga

articles/machine-learning/migrate-to-v2-execution-pipeline.md

@@ -221,6 +221,7 @@ This article gives a comparison of scenario(s) in SDK v1 and SDK v2. In the foll
 |[azureml.pipeline.core.Pipeline](/python/api/azureml-pipeline-core/azureml.pipeline.core.pipeline?view=azure-ml-py&preserve-view=true)|[azure.ai.ml.dsl.pipeline](/python/api/azure-ai-ml/azure.ai.ml.dsl#azure-ai-ml-dsl-pipeline)|
 |[OutputDatasetConfig](/python/api/azureml-core/azureml.data.output_dataset_config.outputdatasetconfig?view=azure-ml-py&preserve-view=true)|[Output](/python/api/azure-ai-ml/azure.ai.ml.output)|
 |[dataset as_mount](/python/api/azureml-core/azureml.data.filedataset?view=azure-ml-py#azureml-data-filedataset-as-mount&preserve-view=true)|[Input](/python/api/azure-ai-ml/azure.ai.ml.input)|
+|[StepSequence](/python/api/azureml-core/azureml.pipeline.core.stepsequence?view=azure-ml-py)|[Data dependency](https://github.com/Azure/azureml-examples/tree/main/cli/jobs/pipelines-with-components/basics/3b_pipeline_with_data)|
 
 ## Step and job/component type mapping