public function getAllTrafficSources_Goals($parameters = [], $parseResult = true)
{
$this->setParams(['metrics' => 'ga:sessions,ga:goal1Starts,ga:goal1Completions,ga:goal1Value,ga:goalStartsAll,ga:goalCompletionsAll,ga:goalValueAll', 'dimensions' => 'ga:source,ga:medium', 'sort' => '-ga:goalCompletionsAll']);
return $this->execute($parameters, $parseResult);
}