React to changes to a child property.
Note that this is invoked before any changes are applied.
Parameters
$property_name:
The name of the property which is changed.
File
- drupal/core/lib/Drupal/Core/TypedData/ComplexDataInterface.php, line 136
- Contains \Drupal\Core\TypedData\ComplexDataInterface.
Class
- ComplexDataInterface
- Interface for complex data; i.e. data containing named and typed properties.
Namespace
Drupal\Core\TypedData
Code
public function onChange($property_name);