---
title: "setOperationalCertificateIssuer(_:queue:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrdevicecontrollerparameters/setoperationalcertificateissuer(_:queue:)"
---

# setOperationalCertificateIssuer(_:queue:)

## Declaration

```swift
func setOperationalCertificateIssuer(_ operationalCertificateIssuer: any MTROperationalCertificateIssuer, queue: dispatch_queue_t)
```