# Message Functions Overview - neoVI API

| Name                                                                                                                                                                         | Description                                                                                |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------ |
| [GetMessages](/neovi-api/win32-api-overview-intrepidcs-api/message-functions-overview-intrepidcs-api/getmessages-method-intrepidcs-api.md)                                   | Reads messages from the neoVI device.                                                      |
| [TxMessages](/neovi-api/win32-api-overview-intrepidcs-api/message-functions-overview-intrepidcs-api/txmessages-method-intrepidcs-api.md)                                     | Transmits messages to vehicle networks using a neoVI device.                               |
| [TxMessagesEx](/neovi-api/win32-api-overview-intrepidcs-api/message-functions-overview-intrepidcs-api/txmessagesex-method-intrepidcs-api.md)                                 | Transmits messages to vehicle networks using a neoVI device. Used with CAN FD and Ethernet |
| [WaitForRxMessagesWithTimeOut](/neovi-api/win32-api-overview-intrepidcs-api/message-functions-overview-intrepidcs-api/waitforrxmessageswithtimeout-method-intrepidcs-api.md) | Waits a specified amount of time in milliseconds for a received message                    |
| [GetTimeStampForMsg](/neovi-api/win32-api-overview-intrepidcs-api/message-functions-overview-intrepidcs-api/gettimestampformsg-method-intrepidcs-api.md)                     | Calculates and returns the timestamp for a message                                         |
| [ISO15765 Functions](/neovi-api/win32-api-overview-intrepidcs-api/message-functions-overview-intrepidcs-api/iso15765-message-functions-overview-intrepidcs-api.md)           | Functions for ISO15765 transactions.                                                       |
| [Transmitting Long Messages](/neovi-api/win32-api-overview-intrepidcs-api/message-functions-overview-intrepidcs-api/transmitting-long-messages-intrepidcs-api.md)            | Example for sending longer (<12 bytes) ISO9141/KW2K Messages                               |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.intrepidcs.com/neovi-api/win32-api-overview-intrepidcs-api/message-functions-overview-intrepidcs-api.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.