gpaa_update_gv_geocoder.php

<?php
/**
 * Gravity Perks // Address Autocomplete // Update GravityView Geocoder with coordinates
 * https://gravitywiz.com/documentation/gravity-forms-address-autocomplete/
 */
// Replace 123 with your form ID
add_action( 'gform_after_submission_123', function ( $entry, $form ){

  $address_field_id = 4; // Replace 4 with your address field ID
  $lat_field_id = 6; // Replace 6 with your latitude field ID
  $lon_field_id = 7; // Replace 7 with your latitude field ID
	
	$entry_id = rgar( $entry, 'id' );
	$lat = rgar( $entry, $lat_field_id );
	$lon = rgar( $entry, $lon_field_id );
	
	gform_update_meta( $entry_id, 'gvmaps_lat_' . $address_field_id, $lat );
	gform_update_meta( $entry_id, 'gvmaps_long_' . $address_field_id, $lon );
 
}, 10, 2 );