Introduction: There are a wide range of applications which perform according to various circumstances.Some are fast and some are slow.When we hit a particular request ,there is a timeout value set to determine whether the request has been processed within the desired time limit set.In order to set the request timeout property there is an option in Visual Studio Webtest for each request properties to set the Timeout value. But if there are a large no. of requests in your Webtest ,changing the value for each and every request is a tedious task.But not to worry,this is where the Webtest plugins comes in handy! The request timeout property for the all the requests inside a Webtest can manged with a single property.Here are steps which has to be followed : 1.Create a Web Performance and Load Test Project in Visual Studio as shown below : 2.Right click the project and add a new item : 3.Choose Class item from the menu and give desired name for the plugin file : 4.