Update QB Online Invoices with Shopify Ship Date and Tracking Number

I need help creating a zap in zapier.  When a shop order is fullfilled I want search for any related open invoices by shopify order number in QB online and then update the ship date field and tracking fields.   I already have a zap that creates invoices for new unpaid orders only, so the order number will already be on the invoice.  

There are only some shopify orders that need to be updated in qb online. I need it to search qb online for the custom order number field and if a match it updates the fields ship date and tracking number.  

Please let me know if you can help and estimated cost?