Add account validation
Use Account validation to restrict campaign access to creators who use a specific email domain i.e. @google.com.
Click the 'Verify email' toggle button to activate account validation.
You can find the Account validation field on the Settings tab of your campaign.
Add email domains
Type an email domain address into the 'Add a domain' box to grant access to your campaign for these domains.
Click 'Add domain' to confirm access for that domain.

