Concatenating output table of a specific node inside a loop

I have a loop with 2 ports that I’m using those port to collect results- Inside the loop, I have a node H2O RandomForest that produces each time a table that I would like to collect - how I can do that.
See Workflow


I would collect the variable importance at the loop end. Question is why you would need the scored data. You might want to collect the best model (parameters) and later use them like it is shown in this example:

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