diff --git a/core/cat/db/crud.py b/core/cat/db/crud.py
index dc279793..787f9805 100644
--- a/core/cat/db/crud.py
+++ b/core/cat/db/crud.py
@@ -69,4 +69,7 @@ def upsert_setting_by_name(payload: models.Setting) -> models.Setting:
         query = Query()
         get_db().update(payload, query.name == payload.name)
 
-    return get_setting_by_name(payload.name)
\ No newline at end of file
+    return get_setting_by_name(payload.name)
+
+def validate_presences(required: list, payload: dict):
+    return len([req for req in required if req not in payload]) > 0
diff --git a/core/cat/routes/setting/embedder_setting.py b/core/cat/routes/setting/embedder_setting.py
new file mode 100644
index 00000000..e69de29b
diff --git a/core/cat/routes/setting/llm_setting.py b/core/cat/routes/setting/llm_setting.py
new file mode 100644
index 00000000..e69de29b
diff --git a/core/tests/routes/setting/test_llm_setting.py b/core/tests/routes/setting/test_llm_setting.py
new file mode 100644
index 00000000..e69de29b