How to Define a Chain of DFEs

Note: This topic applies to Web - HTTP/HTML and Silverlight Vuser scripts, and to Web - HTTP/HTML steps inside Flex Vuser scripts.

In order to implement DFE support for a Vuser script, you must first define the DFE chains that are applied by the Vuser. Defining the DFE chains is the first step in implementing DFE support.

Adding a DFE chain

  1. In VuGen, open the Vuser script.

  2. Click Record > Recording Options > Data Format Extension > Chain Configuration.

    For details on the dialog box options, see Data Format Extension > Chain Configuration Recording Options.

  3. Under Chains, click the New Chain button and create a new chain. The new chain is listed in the Chains pane.

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Adding DFEs to the new DFE chain

  1. In the Chains pane, select the chain to which you want to add DFEs.

  2. In the Chain: <chain name> pane, click the Add DFE button . For details on the Chain: <chain name> pane, see Data Format Extension > Chain Configuration Recording Options.

  3. In the Add Data Format Extension dialog box, select the DFE that you want to add to the chain and click OK.

    When you add the GWT DFE or the Prefix Postfix DFE to a chain, you must supply additional configuration details about the DFE. For more information, see the documentation about the specific DFE.

  4. After you add a DFE to the chain, select the appropriate option from the Continue Processing list. For details on the Continue Processing option, see Data Format Extension > Chain Configuration Recording Options.

  5. Add additional DFEs to the chain as required.

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