Can MettleCI Workbench integrate with the DataStage Flow Designer?

Yes. DataStage Flow Designer does not currently provide an equivalent to the classic Designer’s ‘Tools > Custom' menu item, so MettleCI Workbench is invoked using a set of browser bookmarklets.

Bookmarklets are available which replicate each of the menu items available from within the classic Designer. Similar to the classic Designer’s Custom menu items, bookmarklets can be installed using the links (soon to be available) from within the MettleCI workbench. Alternatively, you can configure the bookmarklets yourself using your Browser’s relevant dialog. In Firefox, for example, the dialog looks like this: