gpaa-restrict-country-by-field.php: Added new snippet.

gp-address-autocomplete/gpaa-restrict-country-by-field.php

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+/**
+ * Gravity Perks // Address Autocomplete // Restrict Country by Field
+ * https://gravitywiz.com/documentation/gravity-forms-address-autocomplete/
+ *
+ * Restrict autocomplete results to a specific country (or countries) for a specific field.
+ *
+ * Instructions:
+ *
+ * 1. Install this snippet with our free Custom JavaScript plugin.
+ *    https://gravitywiz.com/gravity-forms-custom-javascript/
+ * 
+ * 2. Follow the inline instructions to configure this for your specific field.
+ */
+gform.addFilter( 'gpaa_autocomplete_options', function( autocompleteOptions, gpaa, formId, fieldId ) {
+	// Update "1" to your Address field ID.
+	if ( formId != GFFORMID || fieldId != 1 ) {
+		return autocompleteOptions;
+	}
+	if ( typeof autocompleteOptions.componentRestrictions !== 'object' ) {
+		autocompleteOptions.componentRestrictions = {};
+	}
+	// Update "DE" to the country to which you would like to restrict results.
+	autocompleteOptions.componentRestrictions.country = [ 'DE' ];
+	return autocompleteOptions;
+} );