---
title: "init(Data1:Data2:Data3:Data4:)"
framework: security
role: symbol
role_heading: Initializer
path: "security/cssm_guid-swift.struct/init(data1:data2:data3:data4:)"
---

# init(Data1:Data2:Data3:Data4:)

## Declaration

```swift
init(Data1: uint32, Data2: uint16, Data3: uint16, Data4: (uint8, uint8, uint8, uint8, uint8, uint8, uint8, uint8))
```