diff --git a/src/components/workflows/components/WorkflowDesigner.py b/src/components/workflows/components/WorkflowDesigner.py
index fcf1c7b..8901cd7 100644
--- a/src/components/workflows/components/WorkflowDesigner.py
+++ b/src/components/workflows/components/WorkflowDesigner.py
@@ -80,7 +80,8 @@ class WorkflowDesigner(BaseComponent):
       x=int(x),
       y=int(y),
       title=info["title"],
-      description=info["description"]
+      description=info["description"],
+      properties={"processor_name": PROCESSOR_TYPES[component_type][0]}
     )
     
     self._state.components[component_id] = component
@@ -151,7 +152,10 @@ class WorkflowDesigner(BaseComponent):
     return self.refresh_properties()
   
   def set_selected_processor(self, component_id: str, processor_name: str):
-    self._state.selected_processor_name[component_id] = processor_name
+    if component_id in self._state.components:
+      component = self._state.components[component_id]
+      component.properties = {"processor_name": processor_name}
+    
     self._db.save_state(self._key, self._state)
     return self.refresh_properties()
   
@@ -160,7 +164,8 @@ class WorkflowDesigner(BaseComponent):
       component = self._state.components[component_id]
       if event_name == "OnRepositoryChanged":
         component.properties["repository"] = details["repository"]
-        component.properties["table"] = None
+        tables = DbManagementHelper.list_tables(self._session, details["repository"])
+        component.properties["table"] = tables[0] if len(tables) > 0 else None
     
     return self.refresh_properties()
   
@@ -247,6 +252,10 @@ class WorkflowDesigner(BaseComponent):
       return self._mk_jira_processor_details(component)
     elif processor_name == "Repository":
       return self._mk_repository_processor_details(component)
+    elif component.type == "filter" and processor_name == "Default":
+      return self._mk_filter_processor_details(component)
+    elif component.type == "presenter" and processor_name == "Default":
+      return self._mk_presenter_processor_details(component)
     
     return Div('Not defined yet !')
   
@@ -277,7 +286,7 @@ class WorkflowDesigner(BaseComponent):
     else:
       component_id = self._state.selected_component_id
       component = self._state.components[component_id]
-      selected_processor_name = self._state.selected_processor_name.get(component_id, None)
+      selected_processor_name = component.properties["processor_name"]
       icon = COMPONENT_TYPES[component.type]["icon"]
       color = COMPONENT_TYPES[component.type]["color"]
       return Form(
@@ -317,21 +326,40 @@ class WorkflowDesigner(BaseComponent):
     selected_repo = component.properties.get("repository", None)
     selected_table = component.properties.get("table", None)
     
+    def _mk_repositories_options():
+      repositories = DbManagementHelper.list_repositories(self._session)
+      if len(repositories) == 0:
+        return [Option("No repository available", disabled=True)]
+      
+      return ([Option("Choose a repository", disabled=True, selected="selected" if selected_repo is None else None)] +
+              [Option(repo.name, selected="selected" if repo.name == selected_repo else None)
+               for repo in DbManagementHelper.list_repositories(self._session)])
+    
+    def _mk_tables_options():
+      if selected_repo is None:
+        return [Option("No repository selected", disabled=True)]
+      
+      tables = DbManagementHelper.list_tables(self._session, selected_repo)
+      if len(tables) == 0:
+        return [Option("No table available", disabled=True)]
+      
+      return ([Option("Choose a table", disabled=True, selected="selected" if selected_table is None else None)] +
+              [Option(table, selected="selected" if table == selected_table else None)
+               for table in DbManagementHelper.list_tables(self._session, selected_repo)])
+    
     return Div(
       Fieldset(
         Legend("Repository", cls="fieldset-legend"),
         Div(
           Select(
-            *[Option(repo.name, selected="selected" if repo.name == selected_repo else None)
-              for repo in DbManagementHelper.list_repositories(self._session)],
+            *_mk_repositories_options(),
             cls="select w-64",
             id=f"repository_{self._id}",
             name="repository",
             **self.commands.on_processor_details_event(component.id, "OnRepositoryChanged"),
           ),
           Select(
-            *[Option(table, selected="selected" if table == selected_table else None)
-              for table in DbManagementHelper.list_tables(self._session, selected_repo)],
+            *_mk_tables_options(),
             cls="select w-64 ml-4",
             id=f"table_{self._id}",
             name="table",
@@ -344,6 +372,36 @@ class WorkflowDesigner(BaseComponent):
       )
     )
   
+  @staticmethod
+  def _mk_filter_processor_details(component):
+    return Div(
+      Fieldset(
+        Legend("Filter", cls="fieldset-legend"),
+        Input(type="text",
+              name="filter",
+              value=component.properties.get("filter", ""),
+              placeholder="Enter filter expression",
+              cls="input w-full"),
+        P("Write your filter expression (python syntax)"),
+        cls="fieldset bg-base-200 border-base-300 rounded-box border p-4"
+      )
+    )
+  
+  @staticmethod
+  def _mk_presenter_processor_details(component):
+    return Div(
+      Fieldset(
+        Legend("Filter", cls="fieldset-legend"),
+        Input(type="text",
+              name="filter",
+              value=component.properties.get("filter", ""),
+              placeholder="Enter filter expression",
+              cls="input w-full"),
+        P("Comma separated list of columns to display. Use * to display all columns, source=dest to rename columns."),
+        cls="fieldset bg-base-200 border-base-300 rounded-box border p-4"
+      )
+    )
+  
   def _get_properties_height(self):
     print(f"height: {self._boundaries['height']}")
     return self._boundaries["height"] - self._state.designer_height - 86
diff --git a/src/components/workflows/db_management.py b/src/components/workflows/db_management.py
index 4b4a349..e1cc9c4 100644
--- a/src/components/workflows/db_management.py
+++ b/src/components/workflows/db_management.py
@@ -17,7 +17,7 @@ class WorkflowComponent:
   y: int
   title: str
   description: str
-  properties: dict = field(default_factory=dict)
+  properties: dict
 
 
 @dataclass
@@ -39,7 +39,6 @@ class WorkflowsDesignerState:
   component_counter = 0
   designer_height = 230
   selected_component_id = None
-  selected_processor_name: dict = field(default_factory=dict)  # selected processor for each component
 
 
 @dataclass