public function getSchemaDataDefaults()
{
$schema = parent::getSchemaDataDefaults();
if ($this->getPopoverTitle()) {
$data = ['popoverTitle' => $this->getPopoverTitle()];
if (isset($schema['data'])) {
$schema['data'] = array_merge($schema['data'], $data);
} else {
$schema['data'] = $data;
}
}
return $schema;
}
