How do I match FCFrom field "Point_X" with FCTo field "PointX" before doing an arcpy.Append_management
# Create a new fieldmappings and add the two feature classes.
fieldmappings = arcpy.FieldMappings()
schemaType = "NO_TEST "
???? how do I match FCFrom field "Point_X" with FCTo field "PointX"
arcpy.Append_management(FCFrom, FCTo, schemaType, fieldMappings, subtype)