diff --git a/projects/fal/src/fal/api.py b/projects/fal/src/fal/api.py
index 3b96fcca..8a19a076 100644
--- a/projects/fal/src/fal/api.py
+++ b/projects/fal/src/fal/api.py
@@ -552,6 +552,7 @@ def function(
     exposed_port: int | None = None,
     max_concurrency: int | None = None,
     # FalServerlessHost options
+    metadata: dict[str, Any] | None = None,
     machine_type: str = FAL_SERVERLESS_DEFAULT_MACHINE_TYPE,
     keep_alive: int = FAL_SERVERLESS_DEFAULT_KEEP_ALIVE,
     max_multiplexing: int = FAL_SERVERLESS_DEFAULT_MAX_MULTIPLEXING,
@@ -576,6 +577,7 @@ def function(
     exposed_port: int | None = None,
     max_concurrency: int | None = None,
     # FalServerlessHost options
+    metadata: dict[str, Any] | None = None,
     machine_type: str = FAL_SERVERLESS_DEFAULT_MACHINE_TYPE,
     keep_alive: int = FAL_SERVERLESS_DEFAULT_KEEP_ALIVE,
     max_multiplexing: int = FAL_SERVERLESS_DEFAULT_MAX_MULTIPLEXING,
@@ -652,6 +654,7 @@ def function(
     exposed_port: int | None = None,
     max_concurrency: int | None = None,
     # FalServerlessHost options
+    metadata: dict[str, Any] | None = None,
     machine_type: str = FAL_SERVERLESS_DEFAULT_MACHINE_TYPE,
     keep_alive: int = FAL_SERVERLESS_DEFAULT_KEEP_ALIVE,
     max_multiplexing: int = FAL_SERVERLESS_DEFAULT_MAX_MULTIPLEXING,
@@ -681,6 +684,7 @@ def function(
     exposed_port: int | None = None,
     max_concurrency: int | None = None,
     # FalServerlessHost options
+    metadata: dict[str, Any] | None = None,
     machine_type: str = FAL_SERVERLESS_DEFAULT_MACHINE_TYPE,
     keep_alive: int = FAL_SERVERLESS_DEFAULT_KEEP_ALIVE,
     max_multiplexing: int = FAL_SERVERLESS_DEFAULT_MAX_MULTIPLEXING,
diff --git a/projects/fal/src/fal/cli.py b/projects/fal/src/fal/cli.py
index 77292f8a..0ec2feb7 100644
--- a/projects/fal/src/fal/cli.py
+++ b/projects/fal/src/fal/cli.py
@@ -289,7 +289,7 @@ def register_application(
         options=isolated_function.options,
         application_name=alias,
         application_auth_mode=auth_mode,
-        metadata={},
+        metadata=isolated_function.options.host.get("metadata", {}),
     )
 
     if id: