playbook with ansible-vault

I have this file https://github.com/NinuxBasilicata/nnxx-bind-server/blob/master/roles/bind/defaults/main.yml

if i paste this https://github.com/NinuxBasilicata/nnxx-bind-server/blob/88ffdda928a425be374bb898827b6679bef61ffc/roles/bind/defaults/main.yml#L32 in other file

how can i import?

private_key: !vault |
$ANSIBLE_VAULT;1.1;AES256

  • import: domain.ksk.yml

no merge, you have an advice for me?

Thanks.

Best regards.