Using Microsoft Power Automate, PowerApps (Canvas) End-users can create new Dataverse choices to be added to the choices table in Dataverse.
POWER AUTOMATE FLOW
Our flow is going to be triggered from within a canvas app. We are only passing one parameter which is the Choice Item Label value: e.g. new cupcake flavor.
Using the "Perform an unbound action", we will use the InsertOptionValue action:
JSON used in the Label value field:
"Label": "Text Value of our New Label",