An action block that copy content provided by another app to external storage (SD card).
The fiber will pause until the content has been copied.
The content URI support the following URI schemes:
android.resource:an app resource, i.e. android.resource://<app package>/<resource id>
content:app content which must refer to binary content like an image or sound, and not structural content like a contact or a calendar event
data:in-line data, e.g. data:,Hello%2C%20World!
file:an external storage file
The destination path can be set to an existing or new file, or to a directory where the file will be placed with an automatic name. The path to the actual content file saved is assigned to the content file variable.