Ubuntu 18.04.3: Set the environment for bash script that runs through Gnome Startup Application

On Ubuntu 18.04.3 GUI, I am using GNOME Startup Application to start my bashscript because @reboot for cron doesn’t work for me (cron – crontab’s @reboot only works for root? – Unix & Linux Stack Exchange). How can I set (and view existing) the environment for GNOME Startup Application GUI? EDIT Relevant image and data:…

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