> For the complete documentation index, see [llms.txt](https://docs.intrepidcs.com/vspy-3-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.intrepidcs.com/vspy-3-documentation/3.9.12/vehicle-spy-main-menus/main-menu-scripting-and-automation/c-code-interface/c-code-interface-functions-and-events/functions-and-events-network-indexes-and-statistics.md).

# Functions and Events: Network Indexes and Statistics

For each [Network](/vspy-3-documentation/3.9.12/vehicle-spy-main-menus/main-menu-spy-networks/networks.md) in Vehicle Spy there is an int variable. This variable is the number you use to reference a network. For example, the GenericMessage structure includes an iNetwork property. This indicates what network the message is from or will be transmitted to. All network indexes begin with the prefix NET\_.\
\
Each network has statistics that you can access. You can access the statistics for a network with the GetStats function. You can reset the statistics with the ClearStats function.

**Table 1: Statistics Available for a Network**

| Statistic Name | Data Type    | Description                                                                                                                                                       |
| -------------- | ------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| iCount         | unsigned int | Count of messages on network.                                                                                                                                     |
| iRate          | unsigned int | Messages per second.                                                                                                                                              |
| dPercentUse    | double       | Current bus utilization.                                                                                                                                          |
| iMaxRate       | unsigned int | Maximum messages per second.                                                                                                                                      |
| dMaxPercentUse | double       | Maximum bus utilization.                                                                                                                                          |
| iErrorCount    | unsigned int | Number of errors on a network.                                                                                                                                    |
| iTxCount       | unsigned int | Number of messages transmitted on a network.                                                                                                                      |
| iErrorRate     | unsigned int | Errors per second.                                                                                                                                                |
| iTxRate        | unsigned int | Transmissions per second.                                                                                                                                         |
| iTxBufferFill  | unsigned int | Current network transmit buffer fill level.  This level indicates how many bytes are in the transmit buffer.  You can use this value to prevent buffer overflows. |
| iCANTxErrCount | unsigned int | Number of Transmit CAN errors.                                                                                                                                    |
| iCANRxErrCount | unsigned int | Number of Receive CAN errors.                                                                                                                                     |

![Figure 1: The network index variables allow you to define what network you are transmitting to or receiving from.](https://2280262322-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FC3KyOmcYmM6ZVd3OQDa1%2Fuploads%2Fojsb3m6QYodbR65vffiL%2FNetIndexes.gif?alt=media\&token=7fd1d500-9135-4bb2-98c9-bc38189fbbda)

![Figure 2: The GetStats and ClearStats API allows you to access the statistics for a network.](https://2280262322-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FC3KyOmcYmM6ZVd3OQDa1%2Fuploads%2Fidc6Cwuve6UUNVq9ELfx%2Fnetwork_clearstats.gif?alt=media\&token=5e39df67-e2f4-43dc-92f7-2d002efaa7d6)


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