---
title: "init(csrNonce:csrElementsTLV:attestationSignature:)"
framework: matter
role: symbol
role_heading: Initializer
path: "matter/mtroperationalcsrinfo/init(csrnonce:csrelementstlv:attestationsignature:)-82w0o"
---

# init(csrNonce:csrElementsTLV:attestationSignature:)

## Declaration

```swift
init?(csrNonce: Data, csrElementsTLV: Data, attestationSignature: Data)
```