How to fulfill Seller's Own Delivery from Shopee
Shopee orders that use "Seller's Own Fleet Delivery" can be fulfilled on Shopify. When these orders are fulfilled on Shopify they will automatically be fulfilled on Shopee and have the tracking number automatically copied from Shopify to Shopee.
When a Shopee order that uses "Seller's Own Fleet Delivery" is created on Shopify, the Shopify order will say "Fulfilling this order on Shopify will automatically fulfill the Shopee order".
Once you fulfill this order on Shopify the tracking number will automatically be added to the Shopee order and marked as "Shipped".