diff --git a/lib/Predis/Async/Connection/ConnectionInterface.php b/lib/Predis/Async/Connection/ConnectionInterface.php
index <HASH>..<HASH> 100644
--- a/lib/Predis/Async/Connection/ConnectionInterface.php
+++ b/lib/Predis/Async/Connection/ConnectionInterface.php
@@ -57,6 +57,15 @@ interface ConnectionInterface
     public function getParameters();
 
     /**
+     * Executes a command on Redis and calls the provided callback when the
+     * response has been read from the server.
+     *
+     * @param CommandInterface $command Redis command.
+     * @param mixed $callback Callable object.
+     */
+    public function executeCommand(CommandInterface $command, $callback);
+
+    /**
      * Write the buffer to writable network streams.
      *
      * @return mixed
Add missing method to the connection interface.