SecretName:

kind: Ingress
kind: Certificate

SecretName

https://cert-manager.io/docs/tutorials/certificate-defaults/

where to save it (secretName)

See also

• Kubernetes secrets: types, kubectl [ get | create | describe | delete | secret ] secrets, secret.yml, kind: Secret, secretKeyRef, default-token, imagePullSecrets:, kubernetes.io/dockerconfigjson, External Secrets Operator ( kind: ExternalSecret), Kubeseal