Default assignment info on offer

When creating an offer in case of a transfer or a global/transfer, we'd like to default some assignment fields from the current assignment of the employee (f.ex. Working Hours, EFF flexfields). The use case is under review but there was an SR informing us that we can use autocomplete rules so I assume it will be approved.

I tried to configure this out but it's not working yet. Can someone please advice on how to improve the rule?

Many thanks!