---
title: supportedSymbologies()
framework: vision
role: symbol
role_heading: Instance Method
path: vision/vndetectbarcodesrequest/supportedsymbologies()
---

# supportedSymbologies()

Returns the barcode symbologies that the request supports.

## Declaration

```swift
func supportedSymbologies() throws -> [VNBarcodeSymbology]
```

## Return Value

Return Value An array of symbologies.

## See Also

### Specifying Symbologies

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