---
title: saltInput2
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/asauthorizationpublickeycredentialprfassertioninput-swift.struct/inputvalues-swift.struct/saltinput2
---

# saltInput2

An optional second salt for the hashing function.

## Declaration

```swift
var saltInput2: Data?
```