@MatheusAntunes
Ok, this one is a little 'involved' - there might be a more elegant way to manage this, but this is what I came up with:
First thing I did was initialize an array variable. (I also created two compose actions to house the sample data for array01 and array02)
I used Parse JSON on each of those to get into the details a bit easier:

Next, the fun:

Basically, I worked through each row in Array01, and filtered Array02 on the article from Array01 that I was looking at...
but this produces an array, so I added the 'first()' bit to mitigate that. Then, for each row, I would append a new line to my array variable including the data from both arrays (essentially building a third array). This is the final output:

Hopefully, the pictures explain it well enough. Keep us posted.
-Ed
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