# masterKeyAccessor Field
The master key accessor function.
## Definition
**Namespace:** CapyKit.Helpers
**Assembly:** CapyKit (in CapyKit.dll) Version: 1.0.4
**C#**
``` C#
private Func masterKeyAccessor
```
**F#**
``` F#
val mutable private masterKeyAccessor: Func
```
#### Field Value
Func(Byte[])
## See Also
#### Reference
KeyHelper Class
CapyKit.Helpers Namespace