kCIFilterGeneratorExportedKey
The key (CIFilterGeneratorExportedKey) for the exported parameter. The associated value is the key name of the parameter you are exporting, such as inputRadius.
Declaration
let kCIFilterGeneratorExportedKey: StringThe key (CIFilterGeneratorExportedKey) for the exported parameter. The associated value is the key name of the parameter you are exporting, such as inputRadius.
let kCIFilterGeneratorExportedKey: String