def last_modified_by(self) -> LastModifiedByRequestBuilder:
        """
        Provides operations to manage the lastModifiedBy property of the microsoft.graph.identityGovernance.customTaskExtension entity.
        """
        from .last_modified_by.last_modified_by_request_builder import LastModifiedByRequestBuilder

        return LastModifiedByRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to manage the lastModifiedBy property of the microsoft.graph.identityGovernance.customTaskExtension entity.
        
msgraph/generated/identity_governance/lifecycle_workflows/custom_task_extensions/item/custom_task_extension_item_request_builder.py