diff --git a/include/actsim_agent/agent_artifact.hpp b/include/actsim_agent/agent_artifact.hpp
index 6091cb6..f5fadfd 100644
--- a/include/actsim_agent/agent_artifact.hpp
+++ b/include/actsim_agent/agent_artifact.hpp
@@ -57,7 +57,28 @@ class DBSimArtifact : public db::DBArtifact {
     db::uuid_t source_config_;
 };
 
-class DBSimConfigArtifact : public DBSimArtifact, public pl::SimConfigArtifact {};
-class DBSimOutputArtifact : public DBSimArtifact, public pl::SimOutputArtifact {};
+class DBSimConfigArtifact : public DBSimArtifact, public pl::SimConfigArtifact {
+    public:
+
+    DBSimConfigArtifact(
+        const db::uuid_t& id, 
+        const db::uuid_t& source_pass, 
+        const db::uuid_t& target_artifact, 
+        const db::uuid_t& design,
+        const db::uuid_t& source_config
+    ) : DBSimArtifact(id, source_pass, target_artifact, design,source_config) {};
+};
+class DBSimOutputArtifact : public DBSimArtifact, public pl::SimOutputArtifact {
+    public:
+
+    DBSimOutputArtifact(
+        const db::uuid_t& id, 
+        const db::uuid_t& source_pass, 
+        const db::uuid_t& target_artifact, 
+        const db::uuid_t& design,
+        const db::uuid_t& source_config
+    ) : DBSimArtifact(id, source_pass, target_artifact, design,source_config) {};
+
+};
 
 #endif
\ No newline at end of file