diff --git a/models/resources/storage.go b/models/resources/storage.go
index bb96f55..52758f1 100644
--- a/models/resources/storage.go
+++ b/models/resources/storage.go
@@ -26,6 +26,7 @@ func (d *StorageResource) GetAccessor(request *tools.APIRequest) utils.Accessor
 
 type StorageResourceInstance struct {
 	ResourceInstance[*StorageResourcePartnership]
+	Source        string             `bson:"source,omitempty" json:"source,omitempty"` // Source is the source of the storage
 	Local         bool               `bson:"local" json:"local"`
 	SecurityLevel string             `bson:"security_level,omitempty" json:"security_level,omitempty"`
 	SizeType      common.StorageSize `bson:"size_type" json:"size_type" default:"0"`           // SizeType is the type of the storage size