@type t() :: %ExStreamClient.Model.CampaignResponse{
  channel_template: ExStreamClient.Model.CampaignChannelTemplate.t() | nil,
  create_channels: boolean(),
  created_at: float(),
  description: String.t(),
  id: String.t(),
  message_template: ExStreamClient.Model.CampaignMessageTemplate.t() | nil,
  name: String.t(),
  scheduled_for: float() | nil,
  segment_ids: [String.t()],
  segments: [ExStreamClient.Model.Segment.t()],
  sender: ExStreamClient.Model.UserResponse.t() | nil,
  sender_id: String.t(),
  sender_mode: String.t(),
  show_channels: boolean(),
  skip_push: boolean(),
  skip_webhook: boolean(),
  stats: ExStreamClient.Model.CampaignStatsResponse.t(),
  status: String.t(),
  stop_at: float() | nil,
  updated_at: float(),
  user_ids: [String.t()],
  users: [ExStreamClient.Model.UserResponse.t()]
}