Virtual_assistant
| Message Properties | Definition |
| BOT Name | Define BOT name. |
| BOT Provider | Define BOT provider. |
| Language | Define the language for virtual assistant module |
| Query | Define the query sent to BOT. |
| Response Mapping | The mapping to define where to store the response. |
| BOT Initialization | Define to initialize the BOT or now. |
| Initialization Data Mapping | The mapping to construct event name and initialization data. |
| Authorization / Project Key | The authorization/project key. |
