> For the complete documentation index, see [llms.txt](https://docs.9proxy.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.9proxy.com/developers/sdk/sdk-native-c/functions/getsha1version.md).

# GetSHA1Version

Get the SDK build SHA1.

```c
char* GetSHA1Version()
```

***

## Parameters

* none

## Return Value

* SDK build SHA1

## Example

```c
// example

char* s=GetSHA1Version(); if (s){ FreeBuf(s);}

```