diff --git a/sdks/uploader/uploader.go b/sdks/uploader/uploader.go
index a421d7b..7a99b2c 100644
--- a/sdks/uploader/uploader.go
+++ b/sdks/uploader/uploader.go
@@ -91,14 +91,14 @@ var UploadSourceTypeUnion = types.NewTypeUnion[UploadSource](
 var _ = serder.UseTypeUnionInternallyTagged(&UploadSourceTypeUnion, "type")
 
 type PackageSource struct {
-	serder.Metadata `union:"packageSource"`
+	serder.Metadata `union:"jcs"`
 	UploadSourceBase
 	Type      string           `json:"type"`
 	PackageID cdssdk.PackageID `json:"packageID"`
 }
 
 type UrlSource struct {
-	serder.Metadata `union:"urlSource"`
+	serder.Metadata `union:"url"`
 	UploadSourceBase
 	Type string `json:"type"`
 	Url  string `json:"url"`
@@ -122,6 +122,7 @@ var _ = serder.UseTypeUnionInternallyTagged(&UploadTargetTypeUnion, "type")
 type UrlTarget struct {
 	serder.Metadata `union:"url"`
 	UploadTargetBase
+	Type          string                  `json:"type"`
 	ClusterID     ClusterID               `json:"clusterId"`
 	JCSUploadInfo cdsapi.ObjectUploadInfo `form:"JCSUploadInfo"`
 }
@@ -129,6 +130,7 @@ type UrlTarget struct {
 type ApiTarget struct {
 	serder.Metadata `union:"api"`
 	UploadTargetBase
+	Type     string      `json:"type"`
 	Clusters []ClusterID `json:"clusters"`
 }