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# Data format extension > Chain configuration recording options

Enables you to add, delete, and modify chains, and to manage the DFEs that are included in the chains.

Item | Description
--- | ---
To access | Record > Recording Options > Data Format Extension > Chain Configuration
Important information | This node is available only for specific protocols. For a complete list of protocols and their associated nodes, see the Protocol compatibility table.
See also | Data format extensions (DFEs) overview Data format extensions (DFEs) overview Data format extension list Add Prefix/Postfix to Chain dialog box

User interface elements are described below:

UI Element | Description
--- | ---
Chains pane | Displays a list of the DFE chains that are defined for the script.
| Add Chain. Enables you to add a new chain.
| Edit Chain Name. Enables you to modify the name of the selected chain.
| Delete Chain. Deletes the selected chain.

Chain: <chain name> pane

UI Element | Description
--- | ---
| Add DFE. Enables you to add a DFE to the selected chain in the Chains pane. For more information on Data Format Extensions, see Data format extension list.
| Edit DFE.For a Prefix Postfix Extension, edit the prefix and postfix to cut. For a GWT Extension, specify the classpath.
| Add Custom Path. Lets you add a custom classpath for GWT. You can use this to specify Linux paths. For example, /tmp/stockwatcher.war.
| Delete DFE. Deletes the selected DFE from the chain.
| Move Up/Down. Moves the selected Data Format Extension up or down in the chain. Extensions are run in the order in which they appear in the extensions list.
Name | The display name of the Data Format Extension.
Tag | The unique ID of the extension.
Provider | The creator of the Data Format Extension.
Continue Processing | Determines how the chain behaves after the DFE is applied: True: The data is passed on to the next DFE in the chain, whether or not the data was converted. False: If the DFE converted the data that it received, the chain is terminated - no further DFEs are applied to the data. If the DFE did not convert the data that it received, the data is passed on to the next DFE in the chain. Note: If the chain contains only a single DFE, the Continue Processing setting is not significant.

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