A custom list within a custom list (multidimensional datatable) in UiPath Apps

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1

I have a process which is driving my web app (i.e., delivering the datatable to the app).
In the app, I have a custom list which shows information for each row of the datatable.
In the process, I want to expand the datatable so that it also includes a column of data type Array of Strings

So far I have tried binding a custom list with the String datatable column, but I can’t figure out a way to show the data. The datatable column is ‘greyed out’ (unavailable) for me to use in the custom list. What am I doing wrong? Thanks in advance!

2

@Jrask ,

Can you show your rules please where is this grayed out? Show your Out Data table mapping as well.

Thanks,
Arvind