undefined: xendit.CustomerNotificationPreference

[tomdwipo]

import
"github.com/xendit/xendit-go"
"github.com/xendit/xendit-go/invoice"

but i got error undefined: xendit.CustomerNotificationPreference

[tomdwipo]

need update doc https://developers.xendit.co/api-reference/#create-invoice from xendit.CustomerNotificationPreference to xendit.InvoiceCustomerNotificationPreference on Go example