mutation customerInvoiceAddressSet {
     customerInvoiceAddressSet (
         invoiceAddress: {
             salutation: "{{salutation}}"
             firstName: "{{firstName}}"
             lastName: "{{lastName}}"
             company: "{{company}}"
             additionalInfo: "{{additionalInfo}}"
             street: "{{street}}"
             streetNumber: "{{streetNumber}}"
             zipCode: "{{zipCode}}"
             city: "{{city}}"
             countryId: "{{countryId}}"
             phone: "{{phone}}"
             mobile: "{{mobile}}"
             fax: "{{fax}}"
         }
     ) {
         salutation
         firstName
         lastName
         company
         additionalInfo
         street
         streetNumber
         zipCode
         city
         phone
         mobile
         fax
     }
 }

MySQL [oxid]> select oxfon, oxprivfon, oxmobfon from oxuser where oxusername = "[email protected]";
+-------+-----------+----------+
| oxfon | oxprivfon | oxmobfon |
+-------+-----------+----------+
|       | 123456    | 665      |
+-------+-----------+----------+