src/WebhookClient.php
public function getOutgoingContext($name)
    {
        foreach ($this->outgoingContexts as $outgoingContext) {
            if ($outgoingContext->getName() == $name) {
                return $outgoingContext;
            }
        }
    }
public function getOutgoingContext($name)
    {
        foreach ($this->outgoingContexts as $outgoingContext) {
            if ($outgoingContext->getName() == $name) {
                return $outgoingContext;
            }
        }
    }
Get a Dialogflow outgoing context.
Reference: https://dialogflow.com/docs/contexts.

@param string $name context name

@return null|Context