List String Join from Different levels of lists

Lists-Logic
1

I am trying to create a naming structure to use with the Ifc COBie output. I have three separate lists with different list levels. I would like to end up with the following format

List1_List2_List3

I have tried list concat and list join. Neither has given the results I am hoping to get.

ListJoin2
ListJoin2983Ɨ517 55 KB
StringJoin
StringJoin894Ɨ1284 132 KB

2

Hello @CahitO80
Iā€™m not a very professional with dynamo but please find attached this solution hope this works with you and I have understood too.

I combined lists with separator ā€œ_ā€ by code block.

list_name
list_name2896Ɨ1184 227 KB

3

Use a code block for individual concatenation (rather than whole lists). This is the same as using the + node but with one iteration instead of two.

list1 + "_" + list2 + "_" + list3;

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