public function RuleExpression::addExpression in Rules 8.3

Creates and adds an expression.

Parameters

string $plugin_id: The id of the expression plugin to add.

\Drupal\rules\Context\ContextConfig $config: (optional) The configuration for the specified plugin.

Return value

$this

Throws

\Drupal\rules\Exception\InvalidExpressionException Thrown if the wrong expression is passed; e.g. if a condition expression is added to an action expression container.

Overrides ExpressionContainerInterface::addExpression

File

src/Plugin/RulesExpression/RuleExpression.php, line 192

Class

RuleExpression

Provides a rule, executing actions when conditions are met.

Namespace

Drupal\rules\Plugin\RulesExpression

Code

public function addExpression($plugin_id, ContextConfig $config = NULL) {
  return $this
    ->addExpressionObject($this->expressionManager
    ->createInstance($plugin_id, $config ? $config
    ->toArray() : []));
}