action gsmtasks_billing_customers_list {
  label: "billing_customers_list"
  provider: gsmtasks
  method: GET
  path: "/billing/customers/"
  encoding: json
  input: {
    type: "object"
    properties: {
      account: {
        type: "string"
      }
      cursor: {
        type: "integer"
      }
      format: {
        type: "string"
        enum: ["json", "xlsx"]
      }
      page_size: {
        type: "integer"
      }
    }
    additionalProperties: false
  }
  output: {
    type: "object"
    additionalProperties: true
  }
}