I had a question regarding how to repeat target node in SAP CPI .

I had a question regarding how to repeat target node in SAP CPI using groovy script here is the screenshot for your reference.

We had two or more raw material mill plants

In the first raw material we are able to populate conversions node for the first plant as expected.

But for the second raw material plant or multiple plants how to populate conversions node as we tried with use one as many also not possible could you please help on any groovy script on this .