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Charles Durrant Posts: 8 9/27/2012	Charles Durrant Posts: 8 Hi, We have a web service that has an add record method. One of the fields is a primary key, I'd like to run a test that continually adds records, my problem is that I really need to have a uniqueid - I could use a data source but it would quickly be used up so to speak. Is there a way to create a unique ID, I expect not, if so how can I pass a FiddlerScript function result to an extractor? I.e. public static string NewGuidString() { return Guid.NewGuid().ToString(); } Charlie
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Vadim @StresStimulus Administrator Posts: 583 9/27/2012	Vadim @StresStimulus Administrator Posts: 583 Charlie, This type of API is not supported in extractors yet. You can use the Fiddler scripting engine to parse requests and substitute a constant primary key by a guid. A custom script should be added to the OnBeforeRequest(oSession: Session) method. Fiddler scripting documentation is provided at http://www.fiddler2.com/Fiddler/dev/ScriptSamples.asp. There may be a performance consequence to execute your custom script if you run an intense stress test. Alternatively, you can use approach described in this post http://www.stresstimulus.com/forum/run-tests-with-unique-data-242 thatit is based on deleting the test data from the database before re-running the same Test. Cheers, -Vadim
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