gets the metadata to attach to the content to shared . see developer docs for more info . concode_field_sep String mMetaData concode_elem_sep Uri mExternalUri concode_elem_sep String mMimeType concode_elem_sep Uri mUri concode_field_sep ShareToMessengerParamsBuilder setMetaData concode_elem_sep Uri getExternalUri concode_elem_sep String getMimeType concode_elem_sep ShareToMessengerParams build concode_elem_sep Uri getUri concode_elem_sep ShareToMessengerParamsBuilder setExternalUri
String function ( ) { return mMetaData ; }