Variable Activities¶ Activities that mutate pipeline variables. fabric_data_pipelines.SetVariable ¶ Bases: Activity Set the value of a pipeline variable. Example:: from fabric_data_pipelines import SetVariable, expr set_var = SetVariable( name="Set row_count", variable_name="row_count", value=expr.activity_output("lookup", "count"), ) fabric_data_pipelines.AppendVariable ¶ Bases: Activity Append a value to an array pipeline variable. Example:: from fabric_data_pipelines import AppendVariable append = AppendVariable( name="collect_id", variable_name="ids", value="@item().id", )