@type t() :: %BexioApiClient.SalesOrderManagement.Reminder{
  footer: String.t() | nil,
  header: String.t() | nil,
  id: integer(),
  kb_invoice_id: integer(),
  received_total: Decimal.t(),
  remaining_price: Decimal.t(),
  reminder_level: integer(),
  reminder_period_in_days: integer(),
  sent?: boolean(),
  show_positions?: boolean(),
  title: String.t(),
  valid_from: Date.t(),
  valid_to: Date.t() | nil
}

Reminder of an invoice

Fields:

• :kb_invoice_id - the invoice the reminder belongs to
• :title - title of the reminder
• :valid_from - date the reminder is valid from
• :valid_to - date the reminder is valid until
• :reminder_period_in_days - period of the reminder in days
• :reminder_level - level of the reminder
• :show_positions? - whether the positions are shown on the reminder
• :remaining_price - remaining price of the invoice
• :received_total - total already received for the invoice
• :sent? - whether the reminder is sent
• :header - header text of the reminder
• :footer - footer text of the reminder