Message
Each text message in the conversation will be considered as the message object.
| Attribute | Mandatory | Description | 
| text | Yes | The content of the conversation | 
| meta | No | The details of the visitor message such as card data, type, etc. | 
Sample Code:
Copied{
  "text": "Hi, I would like to know my shipping status",
  "meta": {
    "version": "1",
    "card_data": {
      "type": "star-rating"
    }
  }
}