GP Address Autocomplete: Show Cities as Results

gpaa-autocomplete-cities.js

/**
 * Gravity Perks // GP Address Autocomplete // Show Cities as Results
 * https://gravitywiz.com/documentation/gravity-forms-address-autocomplete
 *
 * Instructions:
 *     1. Install our free Custom JavaScript for Gravity Forms plugin.
 *	     Download the plugin here: https://gravitywiz.com/gravity-forms-custom-javascript/
 *     2. Copy and paste the snippet into the editor of the Custom Javascript for Gravity Forms plugin.
 *     3. Install accompanying gpaa-autocomplete-cities.php snippet
 */
window.gform.addFilter( 'gpaa_autocomplete_options', function( options ) {
	options.types = ['(cities)'];

	return options;
} );

gpaa-autocomplete-cities.php

<?php
/**
 * Gravity Perks // GP Address Autocomplete // Show Cities as Results
 * https://gravitywiz.com/documentation/gravity-forms-address-autocomplete
 *
 * Instructions:
 *     1. Install snippet per https://gravitywiz.com/documentation/how-do-i-install-a-snippet/
 *     2. Update FORMID and FIELDID accordingly
 *     3. Hide the Address Line 1 and Address Line 2 inputs from the Form Editor if desired.
 *     4. Install accompanying gpaa-autocomplete-cities.js snippet
 */
add_filter( 'gpaa_init_args_FORMID_FIELDID', function( $args ) {
  $args['inputSelectors']['autocomplete'] = '#input_FORMID_FIELDID_3';

  return $args;
});