we can see that its easy to create meta field , but how to tell shopify that this meta field for orders ?
then I need to update order by setting this meta field value.
to be more clear :
My case is integration app, I need to add flag to order entity , The meta field name will be “IsTransfered”, after posting the order to extrnal service I need to update this metafield IsTransfered=true.
Please let me know if there is other best practice .
can you please help me how to create a metafield in the draft order page. I need to be able to put customer Order # in that field so that the it can printed with the my order number when i am printing the invoice. Please help.