Dropdown List Selector Node

Hi there! As i said it before, i’m new using Dynamo, and i hope to find an answer for this:
I made a Script that basically isolated all the types of walls that i need for my project, so, i made a filter to get this and used the node “Dropdown List Selector” (I use this node because of Dynamo Player), then these types of walls that i isolated, i use them to put a specific material on a specific layer of the wall, but as you can see in the image that i attached, the types of walls that i’m getting from the “Dropdown List selector” are not being identificated as “Types” but, basically, they’re Types!.. and if i used the node “Wall Types” everything works, but as i said, i need to isolated the types for the type of project that i need to develop.
Any tip will be appreciated! Thanks!



@memo.davila1988 It’s because using the Dropdown List Selector induces a new level in the list.
Try using the List.Flatten node or use @L2 as shown below.

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Thanks a lot @AmolShah! it Works!

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