I have a custom PCF component to handle map co-ordinates. It has inputs for Lat and Long values with a clickable map. The 2 inputs map to 2 float database values LAT and LONG. I can update the data, the issue is that the Power Apps built in error messaging only seems to work for one input.
So while I can update both values from the control, in the form editor is is only mapped to Latitude and therefore I only get error messages for an invalid value on the latitude input. For longitude it ignores the value and allows the user to attempt to save an incorrect value.
How can I map the control to both values?

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