diff --git a/src/codeocean/data_asset.py b/src/codeocean/data_asset.py
index 69f8cc7..7b8e10c 100644
--- a/src/codeocean/data_asset.py
+++ b/src/codeocean/data_asset.py
@@ -14,6 +14,7 @@
 class DataAssetType(StrEnum):
     Dataset = "dataset"
     Result = "result"
+    Combined = "combined"
 
 
 class DataAssetState(StrEnum):
@@ -86,6 +87,7 @@ class DataAsset:
     size: Optional[int] = None
     source_bucket: Optional[SourceBucket] = None
     tags: Optional[list[str]] = None
+    contained_data_assets: Optional[list[ContainedDataAsset]] = None
 
 
 @dataclass_json
@@ -217,6 +219,14 @@ class DataAssetSearchResults:
     results: list[DataAsset]
 
 
+@dataclass_json
+@dataclass(frozen=True)
+class ContainedDataAsset:
+    id: Optional[str] = None
+    mount: Optional[str] = None
+    size: Optional[int] = None
+
+
 @dataclass
 class DataAssets: