powerapps Send email buttion in SharePoint.

[RameshD9886]

Gets all the emails attached in the item list/library  and send all in one single email from powerapps.

[AJ_Z]

You can do a ForAll to accomplish this e.g. 

Button in the canvas app: ForAll(SharepointList As ThisRec, then reference ThisRec for your email format. 

Alternatively a flow could be used. if this helps to resolve your query please accept this as the solution

[AJ_Z]

If you need more detail on a particular step let me know