## RTS_GetVersion

### Description

Each realtime shader plug-in needs to implement the RTS_GetVersion callback function. The return value should always be set to 4.

### Applies To

Custom Realtime Shaders

### Syntax

    ULONG RTS_GetVersion()
    {
            return 4;
    }

### Examples

    SICALLBACK   ULONG   RTS_GetVersion()        { return 4; };

### See Also

- Realtime Shader Callbacks
- Execute (Realtime Shaders)
- GetAttributeList
- Init (Realtime Shaders)
- Term (Realtime Shaders)
- Real-Time Effect Shader Examples