When a witness who is called by one party is asked questions by another party, after the witness has been questioned by the party who called him or her, to test if the witness is telling the truth. See Direct Examination.
Error message
Deprecated function: rtrim(): Passing null to parameter #1 ($string) of type string is deprecated in Drupal\advagg_mod\EventSubscriber\InitSubscriber->onEvent() (line 130 of modules/contrib/advagg/advagg_mod/src/EventSubscriber/InitSubscriber.php).
Drupal\advagg_mod\EventSubscriber\InitSubscriber->onEvent(Object, 'kernel.request', Object) call_user_func(Array, Object, 'kernel.request', Object) (Line: 142) Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.request') (Line: 145) Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 81) Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58) Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48) Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 191) Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 128) Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 82) Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 48) Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51) Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23) Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 718) Drupal\Core\DrupalKernel->handle(Object) (Line: 19)