Add Workbench to Trader? How

[ArNaLdInHo]

I would like my trader to:
* Act Like Normal Trader
+Have one option to go to Workbench window and craft stuff in trader

dialogs.xml

<statement id="start" text="dialog_trader_statement_start">
<response_entry id="shop" />
<response_entry id="jobsnone" />
<response_entry id="jobshave" />
<response_entry id="specialjobshave" />

<response_entry id="specialWorkBentch" />

<response_entry id="done" />
</statement>




something like this, but that dont work !!! , what i put there ??

        <!-- Responses -->
        <response id="shop" text="dialog_trader_response_shop">
            <action type="specialWorkBentch" id="specialWorkBentchID" />
        </response>