We know that working with many variables data is difficult and sometimes it is not easy to find the columns that you wish to work. For that reason, we have introduced the concept of pinning variables. This functionality allows you to select a variable and it will pin it to the left area in Graphext.
1. ORIGINAL WITHOUT PINNING A VARIABLE:
First you will need to select the collection and then you will need to click in the three dots as in the image below