diff --git a/src/codeocean/capsule.py b/src/codeocean/capsule.py
index 15fe3b6..cd86ab7 100644
--- a/src/codeocean/capsule.py
+++ b/src/codeocean/capsule.py
@@ -62,13 +62,16 @@ def list_computations(self, capsule_id: str) -> list[Computation]:
 
         return [Computation.from_dict(c) for c in res.json()]
 
-    def attach_data_assets(self, capsule_id: str, attach_params: list[DataAssetAttachParams]) -> DataAssetAttachResults:
+    def attach_data_assets(
+            self,
+            capsule_id: str,
+            attach_params: list[DataAssetAttachParams]) -> list[DataAssetAttachResults]:
         res = self.client.post(
             f"capsules/{capsule_id}/data_assets",
             json=[j.to_dict() for j in attach_params],
         )
 
-        return DataAssetAttachResults.from_dict(res.json())
+        return [DataAssetAttachResults.from_dict(c) for c in res.json()]
 
     def detach_data_assets(self, capsule_id: str, data_assets: list[str]):
         self.client.delete(
diff --git a/src/codeocean/data_asset.py b/src/codeocean/data_asset.py
index 04e4acc..19add5e 100644
--- a/src/codeocean/data_asset.py
+++ b/src/codeocean/data_asset.py
@@ -6,6 +6,7 @@
 from typing import Optional
 
 from codeocean.components import SortOrder, SearchFilter, Permissions
+from codeocean.computation import PipelineProcess, Param
 
 
 class DataAssetType(StrEnum):
@@ -51,6 +52,19 @@ class AppParameter:
     value: str
 
 
+@dataclass_json
+@dataclass(frozen=True)
+class ResultsInfo:
+    capsule_id: Optional[str] = None
+    pipeline_id: Optional[str] = None
+    version: Optional[int] = None
+    commit: Optional[str] = None
+    run_script: Optional[str] = None
+    data_assets: Optional[list[str]] = None
+    parameters: Optional[list[Param]] = None
+    processes: Optional[list[PipelineProcess]] = None
+
+
 @dataclass_json
 @dataclass(frozen=True)
 class DataAsset:
@@ -139,6 +153,7 @@ class DataAssetParams:
     target: Optional[Target] = None
     custom_metadata: Optional[dict] = None
     data_asset_ids: Optional[list[str]] = None
+    results_info: Optional[ResultsInfo] = None
 
 
 @dataclass_json