diff --git a/models/workflow/graph/link.go b/models/workflow/graph/link.go
index be389c4..c74b53d 100644
--- a/models/workflow/graph/link.go
+++ b/models/workflow/graph/link.go
@@ -6,6 +6,7 @@ type StorageProcessingGraphLink struct {
 	Write       bool   `json:"write" bson:"write"`
 	Source      string `json:"source" bson:"source"`
 	Destination string `json:"destination" bson:"destination"`
+	FileName    string `json:"file_name" bson:"file_name"`
 }
 
 // GraphLink is a struct that represents a link between two items in a graph