Log into My Account on our website. Click on the Domains section and find the domain you would like to configure.
1.) Under DNS Management add the following entries:
yourdomain.co.za. IN MX 1 ASPMX.L.GOOGLE.COM
yourdomain.co.za. IN MX 5 ALT1.ASPMX.L.GOOGLE.COM
yourdomain.co.za. IN MX 5 ALT2.ASPMX.L.GOOGLE.COM
yourdomain.co.za. IN MX 10 ALT3.ASPMX.L.GOOGLE.COM
yourdomain.co.za. IN MX 10 ALT4.ASPMX.L.GOOGLE.COM
2.) Add your unique TXT verification record provided by Google Workspace.
yourdomain.co.za. IN TXT google-verification:-enter-your-code.
Source: https://support.google.com/a/answer/183895?hl=en