Google Ads Scripts - How To Read Data from Sheets (GAS #9)

First part of building a Callout is to download data from Google Sheets file.
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Source Code: https://pastebin.com/ME9J5Sb8
Google Sheets Callouts File: https://docs.google.com/spreadsheets/d/1ST3F0do_yWch2cEnMfgXNjg4tRyFm4Pl6mP6GjEs_tg/edit?uspsharing
Your First Report with Google Ads Scripts: https://www.youtube.com/watch?vc2JjxqgsbJ4
Make Script work on MCC Level: https://www.youtube.com/watch?v-84JIdox1vo
My other Google Ads Scripts tutorials: https://www.youtube.com/watch?vc2JjxqgsbJ4&listPLGXZC1nQpK7dvkAdl9PR04UobAGFa_j8e