UIDocumentPickerMode

The document picker imports a file from outside the app’s sandbox.

The document picker opens an external file located outside the app’s sandbox.

The document picker exports a local file to a destination outside the app’s sandbox.

The document picker moves a local file outside the app’s sandbox and provides access to it as an external file.

A Boolean value that determines whether the browser always shows file extensions.

The type of file transfer operation that the document picker performs.