@type t() :: %Notifique.OpenApi.Model.NtfContactCampaignRecipient{
  channel: Notifique.OpenApi.Model.NtfContactCampaignChannel.t() | nil,
  clickedAt: DateTime.t() | nil,
  contactId: String.t() | nil,
  createdAt: DateTime.t() | nil,
  deliveredAt: DateTime.t() | nil,
  errorLabel: String.t() | nil,
  errorMessage: String.t() | nil,
  failedAt: DateTime.t() | nil,
  id: String.t() | nil,
  readAt: DateTime.t() | nil,
  recipient: String.t() | nil,
  sentAt: DateTime.t() | nil,
  status: String.t() | nil
}