I have up to 5 rows per ID, each with a different value in one of the fields. So I can pass all the UNIQUE IDs and that works fine, but now I want to append all the different values to that one line. So, in a nutshell:
Inbound looks like:
ID1, value1,
ID1, Value2,
ID1, Value3,
id2, Value1,
ID2...