send-message-params

record send-message-params {
  audio: option​<audio>,
  contacts: option​<list​<contact>>,
  document: option​<document>,
  hsm: option​<hsm>,
  image: option​<image>,
  location: option​<location>,
  preview-url: option​<bool>,
  template: option​<template>,
  text: option​<text>,
  to: string,
  type-op: option​<message-type>,
  video: option​<video>,
  whatsapp-user-id: string,
}