class_docstr: Metadata about a run.
class_docstr_tok: ["Metadata","about","a","run","."]
docstr: String ID of the user who initiated this run.
docstr_tok: ["String","ID","of","the","user","who","initiated","this","run","."]
code: def user_id(self):
      """String ID of the user who initiated this run."""
      return self._user_id
  
imports: from mlflow.entities._mlflow_object import _MLflowObject
  from mlflow.entities.lifecycle_stage import LifecycleStage
  from mlflow.entities.run_status import RunStatus
  from mlflow.exceptions import MlflowException
  from mlflow.protos.databricks_pb2 import INVALID_PARAMETER_VALUE
  from mlflow.protos.service_pb2 import RunInfo
label_desc: Use image node_id 9 for calling the RunInfo obj's underlying member method code with example usage: obj.user_id() and returns: self