diff --git a/pyoaev/contracts/contract_config.py b/pyoaev/contracts/contract_config.py
index 07b9d6d..cc39dc0 100644
--- a/pyoaev/contracts/contract_config.py
+++ b/pyoaev/contracts/contract_config.py
@@ -40,6 +40,7 @@ class ContractFieldKey(str, Enum):
 
 class ContractOutputType(str, Enum):
     Text: str = "text"
+    ActionOutput: str = "action_output"
     Number: str = "number"
     Port: str = "port"
     PortsScan: str = "portscan"
diff --git a/test/contracts/test_contract_output_types.py b/test/contracts/test_contract_output_types.py
index 42c99ca..ed151b9 100644
--- a/test/contracts/test_contract_output_types.py
+++ b/test/contracts/test_contract_output_types.py
@@ -10,6 +10,13 @@ def test_file_wire_label(self):
         self.assertEqual(ContractOutputType.File.value, "file")
         self.assertEqual(ContractOutputType.File, "file")
 
+    def test_action_output_wire_label(self):
+        # The wire label is a public contract shared with the platform enum
+        # (io.openaev.database.model.ContractOutputType.ActionOutput); it must stay
+        # exactly "action_output".
+        self.assertEqual(ContractOutputType.ActionOutput.value, "action_output")
+        self.assertEqual(ContractOutputType.ActionOutput, "action_output")
+
 
 if __name__ == "__main__":
     unittest.main()