---
title: "deviceController(_:nodeID:getEstimatedSubscriptionLatencyWithReply:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrxpcserverprotocol_mtrdevice/devicecontroller(_:nodeid:getestimatedsubscriptionlatencywithreply:)"
---

# deviceController(_:nodeID:getEstimatedSubscriptionLatencyWithReply:)

## Declaration

```swift
func deviceController(_ controller: UUID, nodeID: NSNumber, getEstimatedSubscriptionLatencyWithReply reply: @escaping @Sendable (NSNumber?) -> Void)
```

```swift
func deviceControllerGetEstimatedSubscriptionLatency(_ controller: UUID, nodeID: NSNumber) async -> NSNumber?
```