diff --git a/models/DTRAM/InventoryManagement.model b/models/DTRAM/InventoryManagement.model
new file mode 100644
index 0000000..578d56c
--- /dev/null
+++ b/models/DTRAM/InventoryManagement.model
@@ -0,0 +1,7 @@
+channel ItemRegistration {
+	out inventory(itemDB:Map, registerItem(itemId:Str, itemName:Str, quantity:Int)) = insert(itemDB, itemId, {"count": quantity, "name": itemName})
+}
+
+channel ReceivingOrShipping(itemId:Str) {
+	out inventory.{itemId}.count(prev_quantity:Int, receiveOrShip(quantity:Int)) = prev_quantity + quantity
+}