FluidTYPO3\Vhs\ViewHelpers\Security\AbstractSecurityViewHelper::assertAdminLoggedIn PHP Method

    public function assertAdminLoggedIn()
    {
        if (false === $this->assertBackendUserLoggedIn()) {
            return false;
        }
        $currentBackendUser = $this->getCurrentBackendUser();
        return (bool) $currentBackendUser['admin'];
    }