Make versions a repeated list
@@ -18,7 +18,7 @@ syntax = "proto3";
message PurchaseOrder {
string uuid = 1;
string workflow_status = 2;
- PurchaseOrderVersion versions = 3;
+ repeated PurchaseOrderVersion versions = 3;
string accepted_version_number = 4;
uint64 created_at = 5;
bool is_closed = 6;
