QR code to be hash key

i need my invoice QR code to be change according to government requirement (hash key generated)
program
https://demo.epointofsales.com/index.php/sales/receipt/11
user: admin pass: 12345678

there is sdk it might help
https://zatca.gov.sa/en/E-Invoicing/SystemsDevelopers/ComplianceEnablementToolbox/Pages/DownloadSDK.aspx

code here and guidelines
https://drive.google.com/drive/folders/1o7U8tTgKfLDeZBDl-kuLiWXmZaXF4LDZ?usp=sharing
https://mcusercontent.com/a90cefeb037ed376188308d34/files/2ca406b2-8627-66d9-45a4-94d186a4f3a5/User_Manual_Software_Development_Kit_SDK_.01.pdf