---
title: "testTrigger(_:)"
framework: coremedia
role: symbol
role_heading: Instance Method
path: "coremedia/cmbufferqueue/testtrigger(_:)"
---

# testTrigger(_:)

Tests a trigger condition.

## Declaration

```swift
func testTrigger(_ triggerToken: CMBufferQueue.TriggerToken) -> Bool
```

## See Also

### Managing Triggers

- [installTrigger(condition:_:)](coremedia/cmbufferqueue/installtrigger(condition:_:).md)
- [removeTrigger(_:)](coremedia/cmbufferqueue/removetrigger(_:).md)
- [CMBufferQueue.TriggerToken](coremedia/cmbufferqueue/triggertoken.md)
- [CMBufferQueue.TriggerCondition](coremedia/cmbufferqueue/triggercondition.md)