How to get the page scope id of Facebook when user checkout in my Shopify store?
问题 Before facebook last update I was using Facebook Send message API by passing user reference. I was getting this information by checking the checkbox during checkout in my store (Shopify) using Facebook. Now the Facebook Send message API no longer returns recipient_id in the response for message sends that use recipient.user_ref or recipient.phone_number to identify the message recipient. Now they are using the Page scope id syntax is recipient": { "id": "<PSID>" }, i am using this API How can