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[[endpoint-closure]]
=== Set the Endpoint closure
The client uses an Endpoint closure to dispatch API requests to the correct
Endpoint object. A namespace object will construct a new Endpoint via this
closure, which means this is a handy location if you wish to extend the
available set of API endpoints available.
For example, we could add a new endpoint like so:
[source,php]
----
$transport = $this->transport;
$serializer = $this->serializer;
$newEndpoint = function ($class) use ($transport, $serializer) {
if ($class == 'SuperSearch') {
return new MyProject\SuperSearch($transport);
} else {
// Default handler
$fullPath = '\\Elasticsearch\\Endpoints\\' . $class;
if ($class === 'Bulk' || $class === 'Msearch' || $class === 'MPercolate') {
return new $fullPath($transport, $serializer);
} else {
return new $fullPath($transport);
}
}
};
$client = ClientBuilder::create()
->setEndpoint($newEndpoint)
->build();
----
Obviously, by doing this you take responsibility that all existing endpoints
still function correctly. And you also assume the responsibility of correctly
wiring the Transport and Serializer into each endpoint.
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