action britbox_get_upcoming_invoice {
  label: "getUpcomingInvoice"
  description: "Returns an upcoming invoice"
  provider: britbox
  method: GET
  path: "/itv/upcominginvoice"
  encoding: json
  output: {
    type: "object"
    required: ["id"]
    properties: {
      currency: {
        type: "string"
        description: "Payment currency."
      }
      description: {
        type: "string"
        description: "Description"
      }
      headline: {
        type: "string"
        description: "Headline"
      }
      id: {
        type: "string"
        description: "The if of a discount for a user."
      }
      initialCost: {
        type: "number"
        description: "The initial cost."
      }
      longDescription: {
        type: "string"
        description: "Long description"
      }
      nickname: {
        type: "string"
        description: "Discount nickname."
      }
      offerdurationperiod: {
        type: "string"
        description: "How long the descount will be valid for."
      }
      shortDescription: {
        type: "string"
        description: "Short description"
      }
    }
    additionalProperties: false
  }
}