t() :: %DocuSign.Model.SenderEmailNotifications{
  changedSigner: String.t(),
  commentsOnlyPrivateAndMention: String.t(),
  commentsReceiveAll: String.t(),
  deliveryFailed: String.t(),
  envelopeComplete: String.t(),
  offlineSigningFailed: String.t(),
  recipientViewed: String.t(),
  senderEnvelopeDeclined: String.t(),
  withdrawnConsent: String.t()
}