public function directMessagesSent($sinceId = null, $maxId = null, $count = null, $page = null, $includeEntities = null)
{
// build parameters
$parameters = array();
if ($sinceId != null) {
$parameters['since_id'] = (string) $sinceId;
}
if ($maxId != null) {
$parameters['max_id'] = (string) $maxId;
}
if ($count != null) {
$parameters['count'] = (int) $count;
}
if ($page != null) {
$parameters['page'] = (int) $page;
}
if ($includeEntities !== null) {
$parameters['include_entities'] = $includeEntities ? 'true' : 'false';
}
// make the call
return $this->doCall('direct_messages/sent.json', $parameters, true);
}