update soap definition

soap/soap-tests.ts

@@ -1,6 +1,7 @@
 /// <reference path="soap.d.ts" />
 
 import * as soap from 'soap';
+import * as events from 'events';
 
 const url = 'http://example.com/wsdl?wsdl';
 const wsdlOptions = { name: 'value' };
@@ -15,5 +16,8 @@ soap.createClient(url, wsdlOptions, function(err: any, client: soap.Client) {
     client['create']({ name: 'value' }, function(err, result) {
         // result is an object
     }, {});
+    client.on('request', function(obj: any) {
+        //obj is an object
+    });
 });
 

soap/soap.d.ts

@@ -3,11 +3,15 @@
 // Definitions by: Nicole Wang <https://github.com/nicoleWjie>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
+/// <reference path='../node/node.d.ts' />
+
 declare module 'soap' {
+    import * as events from 'events';
+
     class WSSecurity {
         constructor(username: string, password: string, options: any);
     }
-    interface Client {
+    interface Client extends events.EventEmitter {
         setSecurity(s: WSSecurity): void;
         [method: string]: (args: any, fn: (err: any, result: any) => void, options?: any) => void;
         addSoapHeader(headJSON: any): void;