Fluent Form populate address fields from API

fluent-form-address-autcomplete.php

add_filter('fluentform_rendering_field_data_address', function ($data,$form)
{	
   // your form id	
   if($form->id != 1) {
      return $data;
   }
		
   // the base adress field name
   $addressField = 'address_1';
   if( $data['attributes']['name'] != $addressField ){
	return $data;
   }
   $provider = 'https://geolocation-db.com/json/';		
   $request = wp_remote_get($provider.$_SERVER['REMOTE_ADDR'], [] );
	
   if(is_wp_error($request)) {
        return $data; // request failed so we are skipping 
   }
	
   $response = wp_remote_retrieve_body($request);	 
   $response = json_decode($response, true);
	

   if( $response )	{	
	   $data['fields']['city']['attributes']['value']    = $response['city'];
	   $data['fields']['country']['attributes']['value'] = $response['country_code']; 
	   $data['fields']['zip']['attributes']['value']     = $response['postal'];
	   $data['fields']['state']['attributes']['value']   = $response['state'];
   }
		
    return $data;
}, 10, 3);

Could anyone tell me how to use this code?

Use this inside your theme function.php or in any PHP code snippet plugin for the WP Fluent Form plugin addresses autocomplete.