---
title: supportedSymbologies
framework: vision
role: symbol
role_heading: Type Property
path: vision/vndetectbarcodesrequest/supportedsymbologies
---

# supportedSymbologies

The array of barcode symbologies that the request supports.

## Declaration

```swift
class var supportedSymbologies: [VNBarcodeSymbology] { get }
```

## Discussion

Discussion Calling this method can be an expensive operation.

## See Also

### Specifying Symbologies

- [supportedSymbologies()](vision/vndetectbarcodesrequest/supportedsymbologies().md)
- [symbologies](vision/vndetectbarcodesrequest/symbologies.md)
- [coalesceCompositeSymbologies](vision/vndetectbarcodesrequest/coalescecompositesymbologies.md)
- [VNBarcodeSymbology](vision/vnbarcodesymbology.md)