add abstract action usage example

README.md

@@ -1,9 +1,8 @@
-# infw zend-expressive Tactician adapter
+# Zend-expressive Tactician adapter
 
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-
 [League tactician](http://tactician.thephpleague.com/) command bus adapter for [zend-expressive framework](https://docs.zendframework.com/zend-expressive/).
 
 ## Getting started
@@ -71,6 +70,28 @@ class PingHandler
 
 ````
 
+You can use `InFw\TacticianAdapter\Action\AbstractAction` as base action.
+
+````
+<?php
+
+namespace App\Action;
+
+use App\Command\PingCommand;
+use InFw\TacticianAdapter\Action\AbstractAction;
+use Interop\Http\ServerMiddleware\DelegateInterface;
+use Zend\Diactoros\Response\JsonResponse;
+use Psr\Http\Message\ServerRequestInterface;
+
+class PingAction extends AbstractAction
+{
+    public function process(ServerRequestInterface $request, DelegateInterface $delegate)
+    {
+        return new JsonResponse(['ack' => $this->bus->handle(new PingCommand())]);
+    }
+}
+````
+
 ## Override Command Bus
 
 You can modify the entire command bus to meet the needs of your project.