diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..c1cb6ba
--- /dev/null
+++ b/go.mod
@@ -0,0 +1 @@
+module github.com/cubixle2/go-ebay
diff --git a/types/types.go b/types/types.go
index 61961ce..bac6b76 100644
--- a/types/types.go
+++ b/types/types.go
@@ -42,6 +42,8 @@ type Item struct {
 		} `xml:"Compatibility"`
 	} `xml:"ItemCompatibilityList,omitempty"`
 
+	ItemID string `xml:"ItemID,omitempty"`
+
 	ItemSpecifics ItemSpecifics `xml:"ItemSpecifics"`
 
 	ListingDesigner *struct {