@manuboss Parse Line (deprecated) - doesn't mean it's unusable, it's still usable if you want.
Or you can use an alternative method called "Parse CSV string"
You asked this question, I think you are new, and the message cannot tell you all about your problem, because there is a lot of information as well as different use cases.
So you can follow the basic instructions.
You can use "Result" variables that are predefined in BAS. There are 9 of them.
If you need more you can use filesystem actions and create TXT or CSV files
to store any number you need. Similar to that you can use database for such
tasks too.
In the browser, all these scripts are executed automatically, if you work with the site via the http-client, then you will have to execute these scripts manually.