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

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

## Declaration

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