Hi again tweety, thank you for your patience! I was under a deadline and my brain was just not letting me shift focus. I’m ready to tackle your question now.
It looks like you’re trying to work with a data table you’ve imported in the editor using the built-in editor datatable then you’re trying to change that data at runtime.
Runtime DataTable doesn’t use the actual in-editor Data Table object like this, it empties out an array of structs that match your csv file then fills it up with one array member per row. Then you can access indices of that struct array based on the key in the first column of the csv.
Built-in data tables are read-only, but the data you get from Runtime DataTable is yours so you can edit it however you want to. So yes, I think that the plugin would be a good fit for your use case. If you haven’t seen it, please peruse the documentation: Runtime DataTable Documentation 4.27.4+ - Google Docs