diff --git a/aleph_message/models/__init__.py b/aleph_message/models/__init__.py
index b499a7e..3d0bdc5 100644
--- a/aleph_message/models/__init__.py
+++ b/aleph_message/models/__init__.py
@@ -154,6 +154,9 @@ class StoreContent(BaseContent):
     size: Optional[int] = None  # Generated by the node on storage
     content_type: Optional[str] = None  # Generated by the node on storage
     ref: Optional[str] = None
+    domains: Optional[List[str]] = Field(
+        description="Custom domains to link. @see https://docs.aleph.im/computing/domains/ fore more details",
+    )
 
     class Config:
         extra = Extra.allow
diff --git a/aleph_message/models/execution/abstract.py b/aleph_message/models/execution/abstract.py
index 846d743..510237a 100644
--- a/aleph_message/models/execution/abstract.py
+++ b/aleph_message/models/execution/abstract.py
@@ -19,6 +19,9 @@ class BaseExecutableContent(HashableModel, BaseContent, ABC):
 
     allow_amend: bool = Field(description="Allow amends to update this function")
     metadata: Optional[Dict[str, Any]] = Field(description="Metadata of the VM")
+    domains: Optional[List[str]] = Field(
+        description="Custom domains to link. @see https://docs.aleph.im/computing/domains/ fore more details",
+    )
     variables: Optional[Dict[str, str]] = Field(
         default=None, description="Environment variables available in the VM"
     )