Recently I posted about using a generic flow to call the SharePoint Rest API from a canvas app and parse the results using the ParseJSON experimental function, in a way that we can almost simulate as if we could call the SharePoint Rest API from a canvas app.
The same technique can be applied to call Microsoft Graph API, as in the example below where we retrieve the list of group members from a Microsoft 365 group, including nested group members (an action that cannot be done using the standard Microsoft 365 Groups action):

Why call Graph if we have Office 365 products connectors and actions in Power Apps?
Even though there are several actions available for Office 365 products in Power Apps, they don’t fully cover what we can accomplish using Microsoft Graph. For example, some actions we could do with Graph that are not available out-of-the-box (explained below in this blog post):
- Create a Microsoft 365 Group
- List nested groups members from an Office 365…
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More About This Author

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SharePoint and Office 365 Consultant/Developer always trying to get the best from Microsoft stack (Microsoft 365/Azure/Power Platform and related stuff).
Living in Ireland since 2018, I had previously worked in Brazil as a consultant/developer for Office 365, SharePoint and related technologies for almost 10 years.
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Modern Workplace2023.02.11Customize the SharePoint command bar icons and titles with JSON formatting
Modern Workplace2023.02.11Customize the SharePoint command bar icons and titles with JSON formatting