toValue method
Implementation
String toValue() {
switch (this) {
case MailFromDomainStatus.pending:
return 'PENDING';
case MailFromDomainStatus.success:
return 'SUCCESS';
case MailFromDomainStatus.failed:
return 'FAILED';
case MailFromDomainStatus.temporaryFailure:
return 'TEMPORARY_FAILURE';
}
}