Get index of elements of sublist from another sublist

[timhevel]

hello everyone,

I was wondering; how do I lace these nodes so that I get multiple indices from each sublist? (as shown in the screenshot)
I want to keep the sublists intact because a sheetnumbers could have two instances.
Each sublist contains sheets from different linked revit files.

.

[Kulkul]

Hi @timhevel

Try using "List.AllIndices node:

[timhevel]

thanks!

it did the trick.
although i had to put both @L2