zippopotam.php

<?php
add_filter( 'gravityflow_entry_webhook_response_mapping', 'zip_postal_response_mapping', 10, 4 );
function zip_postal_response_mapping( $entry, $mapping, $data, $step ) {
	//Replace 73 with your step ID when you imported the example form		

	if ( $step->get_id() == '73' ) {
		if ( is_array( $data['places'] ) ) {
			$place = $data['places'][0]; //Replace 3,4,5,6 with the field IDs that you have chosen in the response field mapping section.

			switch ( $mapping['value'] ):

				case '3':
					$field = $place['latitude'];
					break;
				case '4':
					$field = $place['longitude'];
					break;
				case '5':
					$field = $place['place name'];
					break;
				case '6':
					$field = $place['state'];
					break;
			endswitch;
			$entry[ $mapping['value'] ] = $field;
		}
	}

	return $entry;
}