Feature: manual workflow trigger (#14704)

src/documents/bulk_edit.py

@@ -42,6 +42,7 @@ from documents.plugins.helpers import DocumentsStatusManager
 from documents.tasks import bulk_update_documents
 from documents.tasks import consume_file
 from documents.tasks import remove_document_from_index
+from documents.tasks import run_workflows_for_documents
 from documents.tasks import update_document_content_maybe_archive_file
 from documents.versioning import get_latest_version_for_root
 from documents.versioning import get_root_document
@@ -464,6 +465,25 @@ def reprocess(doc_ids: list[int], *, remote_ocr: bool = False) -> Literal["OK"]:
     return "OK"
 
 
+def run_workflow(
+    doc_ids: list[int],
+    workflow: int,
+    *,
+    filter_documents: bool = True,
+) -> Literal["OK"]:
+    """
+    Manually run a single workflow against the given documents.
+
+    Done asynchronously via a Celery task.
+    """
+    run_workflows_for_documents.delay(
+        document_ids=doc_ids,
+        workflow_id=workflow,
+        filter_documents=filter_documents,
+    )
+    return "OK"
+
+
 def set_permissions(
     doc_ids: list[int],
     set_permissions: PermissionsSpec,

src/documents/filters.py

@@ -35,6 +35,7 @@ from django_filters.rest_framework import DateTimeFilter
 from django_filters.rest_framework import Filter
 from django_filters.rest_framework import FilterSet
 from django_filters.rest_framework import MultipleChoiceFilter
+from django_filters.rest_framework import NumberFilter
 from drf_spectacular.utils import extend_schema_field
 from guardian.utils import get_group_obj_perms_model
 from guardian.utils import get_user_obj_perms_model
@@ -52,6 +53,7 @@ from documents.models import ShareLink
 from documents.models import ShareLinkBundle
 from documents.models import StoragePath
 from documents.models import Tag
+from documents.models import Workflow
 from documents.permissions import annotate_authorizing_fields
 from documents.permissions import permitted_document_ids
 from documents.permissions import permitted_object_ids
@@ -249,6 +251,17 @@ class CustomFieldFilterSet(FilterSet):
         }
 
 
+class WorkflowFilterSet(FilterSet):
+    trigger_type = NumberFilter(field_name="triggers__type", distinct=True)
+
+    class Meta:
+        model = Workflow
+        fields = {
+            "id": ID_KWARGS,
+            "enabled": ["exact"],
+        }
+
+
 @extend_schema_field(serializers.CharField)
 class CustomFieldsFilter(Filter):
     def filter(self, qs, value):

src/documents/matching.py

@@ -684,6 +684,7 @@ def document_matches_workflow(
                 trigger_type == WorkflowTrigger.WorkflowTriggerType.DOCUMENT_ADDED
                 or trigger_type == WorkflowTrigger.WorkflowTriggerType.DOCUMENT_UPDATED
                 or trigger_type == WorkflowTrigger.WorkflowTriggerType.SCHEDULED
+                or trigger_type == WorkflowTrigger.WorkflowTriggerType.MANUAL
             ):
                 trigger_matched, reason = existing_document_matches_workflow(
                     document,

src/documents/migrations/0029_alter_workflowrun_type_alter_workflowtrigger_type.py

@@ -0,0 +1,43 @@
+# Generated by Django 5.2.18 on 2026-11-06 17:12
+
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("documents", "0028_replace_tag_tree_fields"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="workflowrun",
+            name="type",
+            field=models.PositiveSmallIntegerField(
+                choices=[
+                    (1, "Consumption Started"),
+                    (2, "Document Added"),
+                    (3, "Document Updated"),
+                    (4, "Scheduled"),
+                    (5, "Manual"),
+                ],
+                null=True,
+                verbose_name="workflow trigger type",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="workflowtrigger",
+            name="type",
+            field=models.PositiveSmallIntegerField(
+                choices=[
+                    (1, "Consumption Started"),
+                    (2, "Document Added"),
+                    (3, "Document Updated"),
+                    (4, "Scheduled"),
+                    (5, "Manual"),
+                ],
+                default=1,
+                verbose_name="Workflow Trigger Type",
+            ),
+        ),
+    ]

src/documents/models.py

@@ -1532,6 +1532,7 @@ class WorkflowTrigger(models.Model):
         DOCUMENT_ADDED = 2, _("Document Added")
         DOCUMENT_UPDATED = 3, _("Document Updated")
         SCHEDULED = 4, _("Scheduled")
+        MANUAL = 5, _("Manual")
 
     class DocumentSourceChoices(models.IntegerChoices):
         CONSUME_FOLDER = DocumentSource.ConsumeFolder.value, _("Consume Folder")

src/documents/serialisers.py

@@ -1829,6 +1829,7 @@ class BulkEditSerializer(
             "modify_tags",
             "modify_custom_fields",
             "set_permissions",
+            "run_workflow",
             *LEGACY_DOCUMENT_ACTION_METHODS,
         ],
         label="Method",
@@ -1918,6 +1919,8 @@ class BulkEditSerializer(
             return bulk_edit.reprocess
         elif method == "set_permissions":
             return bulk_edit.set_permissions
+        elif method == "run_workflow":
+            return bulk_edit.run_workflow
         elif method == "rotate":
             return bulk_edit.rotate
         elif method == "merge":
@@ -2157,6 +2160,35 @@ class BulkEditSerializer(
         else:
             parameters["remote_ocr"] = False
 
+    def _validate_parameters_run_workflow(self, parameters) -> None:
+        if "workflow" not in parameters:
+            raise serializers.ValidationError("workflow not specified")
+        try:
+            workflow = Workflow.objects.get(id=parameters["workflow"])
+        except (Workflow.DoesNotExist, ValueError, TypeError):
+            raise serializers.ValidationError("Workflow does not exist")
+        request = self.context.get("request")
+        user = getattr(request, "user", None)
+        if user is not None and not user.has_perm("documents.view_workflow"):
+            raise PermissionDenied(
+                "Insufficient permissions to run this workflow",
+            )
+        if not workflow.enabled:
+            raise serializers.ValidationError("Workflow is not enabled")
+        if not workflow.triggers.filter(
+            type=WorkflowTrigger.WorkflowTriggerType.MANUAL,
+        ).exists():
+            raise serializers.ValidationError(
+                "Workflow does not have a manual trigger",
+            )
+        if "filter_documents" in parameters:
+            if not isinstance(parameters["filter_documents"], bool):
+                raise serializers.ValidationError(
+                    "filter_documents must be a boolean",
+                )
+        else:
+            parameters["filter_documents"] = True
+
     def validate_parameters_remove_password(self, parameters):
         if "password" not in parameters:
             raise serializers.ValidationError("password not specified")
@@ -2223,6 +2255,8 @@ class BulkEditSerializer(
             self.validate_parameters_remove_password(parameters)
         elif method == bulk_edit.reprocess:
             self._validate_parameters_reprocess(parameters)
+        elif method == bulk_edit.run_workflow:
+            self._validate_parameters_run_workflow(parameters)
 
         return attrs
 

src/documents/signals/handlers.py

@@ -864,6 +864,8 @@ def run_workflows(
     logging_group: uuid.UUID | None = None,
     overrides: DocumentMetadataOverrides | None = None,
     original_file: Path | None = None,
+    *,
+    skip_matching: bool = False,
 ) -> tuple[DocumentMetadataOverrides, str] | None:
     """
     Execute workflows matching a document for the given trigger. When `overrides` is provided
@@ -874,6 +876,10 @@ def run_workflows(
     `document.source_path` (Document) or `document.original_file` (ConsumableDocument).
 
     Passing `workflow_to_run` skips the workflow query (currently only used by scheduled runs).
+
+    Passing `skip_matching` runs the workflow's actions without evaluating its trigger
+    filters against the document. It is only meaningful together with `workflow_to_run`
+    (e.g. a manual run the user has explicitly forced onto the selected documents).
     """
 
     use_overrides = overrides is not None
@@ -923,7 +929,11 @@ def run_workflows(
                 )
                 break
 
-        if matching.document_matches_workflow(document, workflow, trigger_type):
+        if skip_matching or matching.document_matches_workflow(
+            document,
+            workflow,
+            trigger_type,
+        ):
             action: WorkflowAction
             has_move_to_trash_action = False
             for action in workflow.actions.order_by("order", "pk"):

src/documents/tasks.py

@@ -53,6 +53,7 @@ from documents.models import ShareLink
 from documents.models import ShareLinkBundle
 from documents.models import StoragePath
 from documents.models import Tag
+from documents.models import Workflow
 from documents.models import WorkflowRun
 from documents.models import WorkflowTrigger
 from documents.plugins.base import ConsumeTaskPlugin
@@ -691,6 +692,51 @@ def check_scheduled_workflows() -> None:
                         )
 
 
+@shared_task
+def run_workflows_for_documents(
+    document_ids: list[int],
+    workflow_id: int,
+    *,
+    filter_documents: bool = True,
+) -> None:
+    """
+    Run a single workflow manually against the given documents.
+
+    ``filter_documents`` controls whether the workflow's trigger filters are applied.
+    When True, only documents matching the existing filters will have the workflow run.
+    When False, the workflow will be run on all specified documents regardless of the filters.
+    ``
+    """
+    try:
+        workflow = Workflow.objects.get(id=workflow_id)
+    except Workflow.DoesNotExist:
+        logger.warning(
+            f"Manual workflow run requested for missing workflow {workflow_id}",
+        )
+        return
+
+    for document in Document.objects.filter(
+        id__in=document_ids,
+        root_document__isnull=True,
+    ):
+        try:
+            run_workflows(
+                trigger_type=WorkflowTrigger.WorkflowTriggerType.MANUAL,
+                document=document,
+                workflow_to_run=workflow,
+                skip_matching=not filter_documents,
+            )
+            # Manual runs dont send document_updated signal, so ws here to ensure clients are refreshed
+            send_websocket_document_updated(
+                sender=None,
+                document=document,
+            )
+        except Exception:
+            logger.exception(
+                f"Error running workflow {workflow} on document {document.pk}",
+            )
+
+
 def update_document_parent_tags(tag: Tag, new_parent: Tag) -> None:
     """
     When a tag's parent changes, ensure all documents containing the tag also have

src/documents/tests/test_api_bulk_edit.py

@@ -15,7 +15,11 @@ from documents.models import Document
 from documents.models import DocumentType
 from documents.models import StoragePath
 from documents.models import Tag
+from documents.models import Workflow
+from documents.models import WorkflowAction
+from documents.models import WorkflowTrigger
 from paperless_testing.dirs import DirectoriesMixin
+from paperless_testing.factories import DocumentFactory
 from paperless_testing.factories import UserFactory
 from paperless_testing.permissions import grant_all_global
 from paperless_testing.permissions import grant_global
@@ -622,6 +626,111 @@ class TestBulkEditAPI(DirectoriesMixin, APITestCase):
         self.assertEqual(args[0], [self.doc1.id])
         self.assertEqual(kwargs, {"remote_ocr": True})
 
+    def _make_manual_workflow(self) -> Workflow:
+        trigger = WorkflowTrigger.objects.create(
+            type=WorkflowTrigger.WorkflowTriggerType.MANUAL,
+        )
+        action = WorkflowAction.objects.create()
+        workflow = Workflow.objects.create(name="Manual workflow", order=0)
+        workflow.triggers.add(trigger)
+        workflow.actions.add(action)
+        return workflow
+
+    def _run_workflow(self, parameters, documents=None):
+        return self.client.post(
+            "/api/documents/bulk_edit/",
+            json.dumps(
+                {
+                    "documents": documents or [self.doc1.id],
+                    "method": "run_workflow",
+                    "parameters": parameters,
+                },
+            ),
+            content_type="application/json",
+        )
+
+    @mock.patch("documents.views.bulk_edit.run_workflow")
+    def test_run_workflow(self, m) -> None:
+        """A valid run_workflow call passes the docs, workflow id and filter flag through."""
+        self.setup_mock(m, "run_workflow")
+        workflow = self._make_manual_workflow()
+
+        response = self._run_workflow({"workflow": workflow.id})
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        args, kwargs = m.call_args
+        self.assertEqual(args[0], [self.doc1.id])
+        self.assertEqual(kwargs, {"workflow": workflow.id, "filter_documents": True})
+
+        self._run_workflow({"workflow": workflow.id, "filter_documents": False})
+        self.assertFalse(m.call_args.kwargs["filter_documents"])
+
+    @mock.patch("documents.views.bulk_edit.run_workflow")
+    def test_run_workflow_invalid_parameters(self, m) -> None:
+        """Invalid run_workflow parameters are rejected before dispatch."""
+        self.setup_mock(m, "run_workflow")
+        manual = self._make_manual_workflow()
+        non_manual = Workflow.objects.create(name="Non-manual", order=0)
+        non_manual.triggers.add(
+            WorkflowTrigger.objects.create(
+                type=WorkflowTrigger.WorkflowTriggerType.DOCUMENT_ADDED,
+            ),
+        )
+        disabled = Workflow.objects.create(
+            name="Disabled manual",
+            order=0,
+            enabled=False,
+        )
+        disabled.triggers.add(
+            WorkflowTrigger.objects.create(
+                type=WorkflowTrigger.WorkflowTriggerType.MANUAL,
+            ),
+        )
+        for label, parameters in (
+            ("missing workflow", {}),
+            ("nonexistent workflow", {"workflow": 9999}),
+            ("no manual trigger", {"workflow": non_manual.id}),
+            ("disabled workflow", {"workflow": disabled.id}),
+            ("non-bool filter", {"workflow": manual.id, "filter_documents": "nope"}),
+        ):
+            with self.subTest(label):
+                response = self._run_workflow(parameters)
+                self.assertEqual(
+                    response.status_code,
+                    status.HTTP_400_BAD_REQUEST,
+                )
+        m.assert_not_called()
+
+    @mock.patch("documents.views.bulk_edit.run_workflow")
+    def test_run_workflow_requires_ownership(self, m) -> None:
+        """A non-owner without document ownership is forbidden (actions mutate docs)."""
+        self.setup_mock(m, "run_workflow")
+        user = UserFactory(username="no_perms")
+        grant_all_global(user)
+        doc = DocumentFactory(owner=UserFactory(username="other"))
+        workflow = self._make_manual_workflow()
+        self.client.force_authenticate(user=user)
+
+        response = self._run_workflow({"workflow": workflow.id}, documents=[doc.id])
+
+        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
+        m.assert_not_called()
+
+    @mock.patch("documents.views.bulk_edit.run_workflow")
+    def test_run_workflow_requires_workflow_permission(self, m) -> None:
+        """Owning the documents is not enough without view_workflow permission."""
+        self.setup_mock(m, "run_workflow")
+        user = UserFactory(username="no_wf_perms")
+        grant_global(user, "change_document")
+        doc = DocumentFactory(owner=user)
+        workflow = self._make_manual_workflow()
+        self.client.force_authenticate(user=user)
+
+        response = self._run_workflow({"workflow": workflow.id}, documents=[doc.id])
+
+        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
+        m.assert_not_called()
+
     @mock.patch("documents.serialisers.bulk_edit.set_storage_path")
     def test_api_set_storage_path(self, m) -> None:
         """

src/documents/tests/test_api_workflows.py

@@ -100,6 +100,47 @@ class TestApiWorkflows(DirectoriesMixin, APITestCase):
             self.action.assign_correspondent.pk,
         )
 
+    def test_api_get_workflows_filter_trigger_type(self) -> None:
+        """
+        GIVEN:
+            - A consumption workflow and a manual workflow
+        WHEN:
+            - Workflows are requested filtered by trigger_type
+        THEN:
+            - Only workflows with a matching trigger are returned
+        """
+        manual_trigger = WorkflowTrigger.objects.create(
+            type=WorkflowTrigger.WorkflowTriggerType.MANUAL,
+        )
+        manual_workflow = Workflow.objects.create(name="Manual", order=1)
+        manual_workflow.triggers.add(manual_trigger)
+
+        response = self.client.get(
+            f"{self.ENDPOINT}?trigger_type={WorkflowTrigger.WorkflowTriggerType.MANUAL}",
+            format="json",
+        )
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.data["count"], 1)
+        self.assertEqual(response.data["results"][0]["id"], manual_workflow.id)
+
+    def test_api_get_workflows_filter_enabled(self) -> None:
+        """
+        GIVEN:
+            - An enabled workflow and a disabled workflow
+        WHEN:
+            - Workflows are requested filtered by enabled
+        THEN:
+            - Only enabled workflows are returned
+        """
+        Workflow.objects.create(name="Disabled", order=1, enabled=False)
+
+        response = self.client.get(f"{self.ENDPOINT}?enabled=true", format="json")
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.data["count"], 1)
+        self.assertEqual(response.data["results"][0]["id"], self.workflow.id)
+
     def test_api_get_workflow_actions_ordered(self) -> None:
         """
         GIVEN:

src/documents/tests/test_workflows.py

@@ -2288,6 +2288,83 @@ class TestWorkflows(
         doc.refresh_from_db()
         self.assertEqual(doc.owner, self.user2)
 
+    def _make_manual_workflow(self, *, require_tag: Tag | None = None) -> Workflow:
+        trigger = WorkflowTrigger.objects.create(
+            type=WorkflowTrigger.WorkflowTriggerType.MANUAL,
+        )
+        if require_tag is not None:
+            trigger.filter_has_all_tags.add(require_tag)
+        action = WorkflowAction.objects.create(assign_owner=self.user2)
+        workflow = Workflow.objects.create(name="Manual workflow", order=0)
+        workflow.triggers.add(trigger)
+        workflow.actions.add(action)
+        return workflow
+
+    @mock.patch("documents.tasks.send_websocket_document_updated")
+    def test_manual_workflow_run_applies_and_notifies(self, mock_ws) -> None:
+        """A manual run applies the workflow's actions and pushes a websocket update."""
+        workflow = self._make_manual_workflow()
+        doc = DocumentFactory()
+
+        tasks.run_workflows_for_documents([doc.pk], workflow.pk)
+
+        doc.refresh_from_db()
+        self.assertEqual(doc.owner, self.user2)
+        self.assertEqual(mock_ws.call_args.kwargs["document"].pk, doc.pk)
+
+    def test_manual_workflow_run_respects_filters(self) -> None:
+        """With filter_documents=True, a document failing the trigger filters is skipped."""
+        workflow = self._make_manual_workflow(require_tag=self.t1)
+        doc = DocumentFactory()
+
+        tasks.run_workflows_for_documents([doc.pk], workflow.pk, filter_documents=True)
+
+        doc.refresh_from_db()
+        self.assertIsNone(doc.owner)
+
+    def test_manual_workflow_run_force_ignores_filters(self) -> None:
+        """With filter_documents=False, actions run regardless of the trigger filters."""
+        workflow = self._make_manual_workflow(require_tag=self.t1)
+        doc = DocumentFactory()
+
+        tasks.run_workflows_for_documents([doc.pk], workflow.pk, filter_documents=False)
+
+        doc.refresh_from_db()
+        self.assertEqual(doc.owner, self.user2)
+
+    def test_manual_workflow_run_missing_workflow(self) -> None:
+        """A missing workflow id logs a warning rather than raising."""
+        doc = DocumentFactory()
+        with self.assertLogs("paperless.tasks", level="WARNING"):
+            tasks.run_workflows_for_documents([doc.pk], 9999)
+
+    @mock.patch("documents.tasks.send_websocket_document_updated")
+    @mock.patch("documents.tasks.run_workflows")
+    def test_manual_workflow_run_continues_after_error(
+        self,
+        mock_run_workflows,
+        mock_ws,
+    ) -> None:
+        """A failure on one document does not abort the run for the others."""
+        workflow = self._make_manual_workflow()
+        doc1 = DocumentFactory()
+        doc2 = DocumentFactory()
+
+        def side_effect(*args, document, **kwargs):
+            if document.pk == doc1.pk:
+                raise Exception("boom")
+
+        mock_run_workflows.side_effect = side_effect
+
+        with self.assertLogs("paperless.tasks", level="ERROR"):
+            tasks.run_workflows_for_documents([doc1.pk, doc2.pk], workflow.pk)
+
+        # Both documents were attempted; the websocket update only fired for the
+        # one that did not raise.
+        self.assertEqual(mock_run_workflows.call_count, 2)
+        ws_doc_ids = [c.kwargs["document"].pk for c in mock_ws.call_args_list]
+        self.assertEqual(ws_doc_ids, [doc2.pk])
+
     @mock.patch("documents.tasks.send_websocket_document_updated")
     def test_workflow_scheduled_trigger_sends_websocket_update(
         self,

src/documents/views.py

@@ -146,6 +146,7 @@ from documents.filters import ShareLinkFilterSet
 from documents.filters import StoragePathFilterSet
 from documents.filters import TagFilterSet
 from documents.filters import TitleContentFilter
+from documents.filters import WorkflowFilterSet
 from documents.mail import EmailAttachment
 from documents.mail import send_email
 from documents.matching import match_correspondents
@@ -3008,6 +3009,100 @@ class DocumentOperationPermissionMixin(PassUserMixin, DocumentSelectionMixin):
         )
         return Response({"result": "OK", "task_id": task.id})
 
+    def _has_document_permissions(
+        self,
+        *,
+        user: User,
+        documents: list[int],
+        method,
+        parameters: dict[str, Any],
+    ) -> bool:
+        if user.is_superuser:
+            return True
+
+        root_docs = {
+            get_root_document(doc)
+            for doc in Document.objects.select_related(
+                "owner",
+                "root_document__owner",
+            ).filter(pk__in=documents)
+        }
+        user_is_owner_of_all_documents = all(
+            (doc.owner == user or doc.owner is None) for doc in root_docs
+        )
+
+        # check global and object permissions for all documents
+        has_perms = (
+            user.has_perm(
+                "documents.change_document",
+            )
+            and not Document.global_objects.filter(pk__in=documents)
+            .exclude(pk__in=permitted_document_ids(user, perm="change_document"))
+            .exists()
+        )
+
+        # check ownership for methods that change original document
+        if (
+            (
+                has_perms
+                and method
+                in [
+                    bulk_edit.set_permissions,
+                    bulk_edit.delete,
+                    bulk_edit.rotate,
+                    bulk_edit.delete_pages,
+                    bulk_edit.edit_pdf,
+                    bulk_edit.merge_as_versions,
+                    bulk_edit.remove_password,
+                    bulk_edit.run_workflow,
+                ]
+            )
+            or (
+                method in [bulk_edit.merge, bulk_edit.split]
+                and parameters.get("delete_originals")
+            )
+            or (method == bulk_edit.edit_pdf and parameters.get("update_document"))
+        ):
+            has_perms = has_perms and user_is_owner_of_all_documents
+
+        # check global add permissions for methods that create documents
+        if (
+            has_perms
+            and (
+                method in [bulk_edit.split, bulk_edit.merge]
+                or (
+                    method in [bulk_edit.edit_pdf, bulk_edit.remove_password]
+                    and not parameters.get("update_document")
+                )
+            )
+            and not user.has_perm("documents.add_document")
+        ):
+            has_perms = False
+
+        # check global delete permissions for methods that delete documents
+        if (
+            has_perms
+            and (
+                method == bulk_edit.delete
+                # Sources stop being documents of their own, and removing one
+                # again afterwards needs delete_document
+                or method == bulk_edit.merge_as_versions
+                or (
+                    method in [bulk_edit.merge, bulk_edit.split]
+                    and parameters.get("delete_originals")
+                )
+                or (
+                    method in [bulk_edit.edit_pdf, bulk_edit.remove_password]
+                    and parameters.get("delete_original")
+                    and not parameters.get("update_document")
+                )
+            )
+            and not user.has_perm("documents.delete_document")
+        ):
+            has_perms = False
+
+        return has_perms
+
     def _execute_document_action(
         self,
         *,
@@ -3084,6 +3179,7 @@ class BulkEditView(DocumentOperationPermissionMixin):
     LEGACY_MODIFIED_FIELDS = {
         "delete": "deleted_at",
         "reprocess": "checksum",
+        "remove_password": None,
     }
 
     serializer_class = BulkEditSerializer
@@ -5089,6 +5185,8 @@ class WorkflowViewSet(ModelViewSet[Workflow]):
 
     serializer_class = WorkflowSerializer
     pagination_class = StandardPagination
+    filter_backends = (DjangoFilterBackend,)
+    filterset_class = WorkflowFilterSet
 
     model = Workflow