Sends a message to chat

Each content part in the parts array is defined as follows:

Property	Type	Description
`name`*	string	The name of your part, usually the file name
`type`*	string	The MIME type for the part e.g. image/png
`url`	string	The URL to the file data. If this isn't specified then thedata property must be
`data`	string	For text based types the text string, or the base64 encoded data for file based types. If this isn't specified then theurl property must be
`size`	string	The size in bytes of the data for the message part

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Choose URL or base64 data
You must choose to get your file data from either a URL or inline using base64 encoded data but not both!

Some common examples are given below:

"parts": [
    {
      "name": "Body text",
      "type": "text/plain",
      "data": "Bot's message to the customer"
    }
  ]

"parts": [
    {
      "name": "Picture",
      "type": "image/png",
      "url": "http://cdn.dnky.co/3rdparty/comapi/images/laptop.png"
    }
  ]

200The message was successfully sent