We are implementing a delivery customization extension, but the function doesn’t seem to run at all. The extension is working as expected if the app is installed on one of our development stores. It doesn’t work if it is installed on the merchant’s store. The app is configured to be used by one st…

I had this issue when I was creating an extension-only custom app for delivery customization – and I solved it!! Basically, when you create an extension, you’re declaring a function like you would in JavaScript. But just like in JS, declaring a function doesn’t run it. The function needs to be call…

Hi Hsdonkin, Just want to ask a question if the shop is required to install a graphql app also to enable this customization? I have the same case you have right now, in which I don’t have a UI only extension-app but I’m kinda confused why when I select the delivery customization inside Shipping and…

Since I posted that, Shopify seems like they pushed an update to allow you to create instances of Delivery Customizations via the dashboard, so basically what I did with the GraphQL app, but with a UI instead. So to answer your question, the GraphQL app is not required, since the dashboard lets you…

We’re also experiencing this issue. When you say create instances of the Delivery Customizations via the dashboard - where abouts can you do this? Struggling to see anything here.

Thanks! We had this added, our issue was different and quite silly to be honest… We had function code wrapped in try catch and we had some errors (data was different than what we expected). Anyway, with try/catch and console logged errors, there was no trace of function runs in partner’s portal. Aft…

Great! Yeah one thing that tripped me up as well with trycatch – console.log() prints to STDOUT, whereas with errors you need to print to STDERR which is console.error(). So if you’re printing to STDOUT you’re basically silencing the errors!

This is a little bit strange. The GraphQL query function only works when npm run dev is running. So it can work for my dev store. But in the production environment, the graphql query returns no customization functions, so I can’t the ID to run the mutation function. Has any one experience the same i…

Yeah to troubleshoot this, I would check: Is the app installed on your production store, with a version deployed that uses your delivery customization extension? Dev stores can view work in progress versions of functions, and so you need to deploy a new version for production stores. Are you query…

One of my customers uses my app, and today the delivery customization function suddenly didn’t work, I tested the checkout in his store, but I can’t see the execution log in the Shopify Partner admin, I checked the customer through the API (deliveryCustomizations), the status is active, there is no …

Delivery customization extension - function doesn't run on merchant's store

Shopify Apps

MosheBOA September 4, 2023, 11:59am 2

I’m having the same problem. Couldn’t figure it out yet

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Delivery customization extension - function doesn't run on merchant's store

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