Instance Property


An array of VNBarcodeSymbology objects that Vision should detect in the image.


@property(readwrite, nonatomic, copy) NSArray<VNBarcodeSymbology> *symbologies;


Use this array to specify or restrict the types of symbols you want the Vision algorithm to detect. The default value leads Vision to scan for all possible symbologies.

See Also

Choosing Barcode Types to Detect


An array of VNBarcodeSymbology objects describing the symbologies that Vision currently supports.

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