How is it possible to map input data to a vector from a spreadsheet?

Hello,

I have multiple inputs in my simulink diagram with a dimension of 6. Now I tried to map input data from an excel spreadsheet to these signals by using the root inport mapper but it doesn't work for multidimensional signals. Is there a special signal name format to do this? I tried signal(1), signal(2) and so on but it does not work..

Thanks for helping!