Specifies the preferred facing mode for the device's media capture mechanism. 'user', 'environment', and 'implementation' indicates the user-facing, environment-facing, and the implementation-specific cameras will, respectively, be the preferred mode. Specifying 'none', the default, will indicate that no capture mechanism is used.
selectionMode
'single'
|
'multiple'
Whether to allow single or multiple file selection. Single is the default.