---
title: "init(IPK:operationalKeypair:operationalCertificate:intermediateCertificate:rootCertificate:)"
framework: matter
role: symbol
role_heading: Initializer
path: "matter/mtrdevicecontrollerstartupparams/init(ipk:operationalkeypair:operationalcertificate:intermediatecertificate:rootcertificate:)-3k8x7"
---

# init(IPK:operationalKeypair:operationalCertificate:intermediateCertificate:rootCertificate:)

## Declaration

```swift
init(IPK ipk: Data, operationalKeypair: any MTRKeypair, operationalCertificate: Data, intermediateCertificate: Data?, rootCertificate: Data)
```