---
title: Control Flags Constants
framework: Application Services
role: containerSymbol
role_heading: Enumeration
platforms: [macOS 10.0+]
path: applicationservices/1552213-control_flags_constants
---

# Control Flags Constants

Flags that indicate which synthesizer features are active.

## Declaration

```occ
enum : SInt32 {
    ...
};
```

## Topics

### Constants

- [kNoEndingProsody](1552213-control_flags_constants/knoendingprosody.md)
- [kNoSpeechInterrupt](1552213-control_flags_constants/knospeechinterrupt.md)
- [kPreflightThenPause](1552213-control_flags_constants/kpreflightthenpause.md)