I have found a "solved" post that may help. Please review the detailed response from our Customer Support Team in the following thread:
Any update on this? Is it still not possible to create an array from PowerApps trigger?
Is it on a backlog somewhere or will it never happen? There are a LOT of people facing this issue.
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The time has come: We are finally able to share more details on the brand-new ranks coming to the Power Apps Community!
Features releasing from April 2020 through September 2020
We're launching a how-to forum where you can learn about how Power BI integrates with other Power Platform products.
Microsoft has created a regional government emergency response and monitoring solution that is built on Power Apps and Power BI.