Calling the REST API from inside a webhook handler with the Node SDK

Retired Boards Appdev Custom Storefronts
1

Hello,

I’m trying to figure out how I can call the REST API from inside a webhook handler.

I want to obtain, in the ORDERS_FULFILLED webhook, the customer’s metafields, so I’m trying to use the Find customer endpoint. The problem is that I don’t know how to handle the ‘session’ parameter of the library:

async function (topic, shop, body, webhookId) {
  const order = JSON.parse(body);
  if (!order.customer) {
    return;
  }

  const customerId = order.customer.id;
  const customer = await shopify.api.rest.Customer.find({
    session,
    id: customerId,
  });
}

In the context of an API call made with AppBridge, I can use the variable “res.locals.shopify.session”, but I don’t know how to handle auth in the webhook context.

I’m using “@shopify/shopify-app-express” 2.1.0

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