UIKeyboardHIDUsage.keyboard0 The raw usage code 39 (decimal)/27 (hexadecimal). Declarationcase keyboard0 See AlsoNumerical keysUIKeyboardHIDUsage.keyboard1UIKeyboardHIDUsage.keyboard2UIKeyboardHIDUsage.keyboard3UIKeyboardHIDUsage.keyboard4UIKeyboardHIDUsage.keyboard5UIKeyboardHIDUsage.keyboard6UIKeyboardHIDUsage.keyboard7UIKeyboardHIDUsage.keyboard8UIKeyboardHIDUsage.keyboard9