action whatsapp_check_contact {
  label: "Check-Contact"
  provider: whatsapp
  method: POST
  path: "/contacts"
  encoding: json
  input: {
    type: "object"
    required: ["contacts"]
    properties: {
      blocking: {
        type: "string"
        description: "Blocking determines whether the request should wait for the processing to complete (synchronous) or not (asynchronous)."
        enum: ["no_wait", "wait"]
      }
      contacts: {
        type: "array"
        description: "Array of contact phone numbers. The numbers can be in any standard telephone number format."
        items: {
          type: "string"
        }
      }
    }
  }
  output: {
    type: "object"
  }
}