diff --git a/examples/blueprints/custom_query_blueprint.py b/examples/blueprints/custom_query_blueprint.py
new file mode 100644
index 0000000..ab2c037
--- /dev/null
+++ b/examples/blueprints/custom_query_blueprint.py
@@ -0,0 +1,23 @@
+from typing import Any
+
+from fast_agave.blueprints import RestApiBlueprint
+from starlette_context import context
+
+
+class CustomQueryBlueprint(RestApiBlueprint):
+    @property
+    def custom(self) -> str:
+        return context['custom']
+
+    def property_filter_required(self) -> bool:
+        return context.get('custom_filter_required')
+
+    def custom_filter_required(self, query_params: Any, model: any) -> None:
+        if self.property_filter_required() and hasattr(model, 'custom'):
+            query_params.custom = self.custom
+
+    def user_id_filter_required(self) -> bool:
+        return False
+
+    def platform_id_filter_required(self) -> bool:
+        return False
diff --git a/fast_agave/blueprints/rest_api.py b/fast_agave/blueprints/rest_api.py
index 618ff28..ab53e16 100644
--- a/fast_agave/blueprints/rest_api.py
+++ b/fast_agave/blueprints/rest_api.py
@@ -29,6 +29,14 @@ def user_id_filter_required(self) -> bool:
     def platform_id_filter_required(self) -> bool:
         return context['platform_id_filter_required']
 
+    def custom_filter_required(self, query_params: Any, model: Any) -> None:
+        """
+        Overwrite this method in order to add new context
+        based on custom filter.
+        set de value of your filter ex query_params.wallet = self.wallet
+        """
+        pass
+
     async def retrieve_object(
         self, resource_class: Any, resource_id: str
     ) -> Any:
@@ -218,6 +226,8 @@ async def query(request: Request):
                     cls.model, 'user_id'
                 ):
                     query_params.user_id = self.current_user_id
+                # Call for custom filter implemented in overwritemethod
+                self.custom_filter_required(query_params, cls.model)
 
                 filters = cls.get_query_filter(query_params)
                 if query_params.count:
diff --git a/fast_agave/version.py b/fast_agave/version.py
index abeeedb..2b8877c 100644
--- a/fast_agave/version.py
+++ b/fast_agave/version.py
@@ -1 +1 @@
-__version__ = '0.4.0'
+__version__ = '0.5.0'