@type t() :: %Procore.Model.Extended4{
  attachments: [Procore.Model.Default2AttachmentsInner.t()] | nil,
  batch_id: integer() | nil,
  change_events: [Procore.Model.Extended3ChangeEventsInner.t()] | nil,
  change_order_change_reason:
    Procore.Model.Default1ChangeOrderChangeReason.t() | nil,
  contract_id: integer() | nil,
  created_at: DateTime.t() | nil,
  created_by: Procore.Model.Default1CreatedBy.t() | nil,
  currency_configuration:
    Procore.Model.RestV10WorkOrderContractsSyncPatch200ResponseEntitiesInnerAllOfCurrencyConfiguration.t()
    | nil,
  custom_fields:
    Procore.Model.RestV10ProjectsProjectIdVisitorLogsGet200ResponseInnerCustomFields.t()
    | nil,
  description: String.t() | nil,
  designated_reviewer: Procore.Model.Default1DesignatedReviewer.t() | nil,
  due_date: Date.t() | nil,
  executed: boolean() | nil,
  external_data: Procore.Model.Extended3ExternalData.t() | nil,
  field_change: boolean() | nil,
  grand_total: String.t() | nil,
  id: integer() | nil,
  invoiced_date: Date.t() | nil,
  legacy_package_id: integer() | nil,
  legacy_request_id: integer() | nil,
  location_id: integer() | nil,
  number: String.t() | nil,
  paid: boolean() | nil,
  paid_date: Date.t() | nil,
  private: boolean() | nil,
  received_from: Procore.Model.Default1ReceivedFrom.t() | nil,
  reference: String.t() | nil,
  reviewed_at: DateTime.t() | nil,
  reviewed_by: Procore.Model.Default1ReviewedBy.t() | nil,
  revised_substantial_completion_date: Date.t() | nil,
  revision: integer() | nil,
  schedule_impact_amount: integer() | nil,
  signature_required: boolean() | nil,
  signed_change_order_received_date: Date.t() | nil,
  status: String.t() | nil,
  title: String.t() | nil,
  type: String.t() | nil,
  updated_at: DateTime.t() | nil
}