---
title: supportedSymbologies
framework: vision
role: symbol
role_heading: Instance Property
path: vision/detectbarcodesrequest/supportedsymbologies
---

# supportedSymbologies

The collection of barcode symbologies that the request can recognize.

## Declaration

```swift
var supportedSymbologies: [BarcodeSymbology] { get }
```

## Discussion

Discussion Using this property could be a potentially expensive operation.

## See Also

### Configuring a request

- [symbologies](vision/detectbarcodesrequest/symbologies.md)
- [BarcodeSymbology](vision/barcodesymbology.md)
- [coalescesCompositeSymbologies](vision/detectbarcodesrequest/coalescescompositesymbologies.md)