public function getSubtableDimension()
{
if (empty($this->actionToLoadSubTables)) {
return null;
}
list($subtableReportModule, $subtableReportAction) = $this->getSubtableApiMethod();
$subtableReport = ReportsProvider::factory($subtableReportModule, $subtableReportAction);
if (empty($subtableReport)) {
return null;
}
return $subtableReport->getDimension();
}