How to send text messages for catering invoices?

The method of issuing catering invoices by SMS is as follows:

1. Click Invoice Filling to start the client, and then click Invoice Filling.

2. Click on the electronic invoice to open the page, and the options will pop up. Click on the electronic VAT invoice to open it.

3. Click on the delivery and fill in the invoice according to the relevant product information.

4. Enter the mobile phone number and the buyer information will pop up on the page. Enter the buyer's mobile phone number, click Save, and send it to the other party's mobile phone text message.