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This documentation relates to Opera's now deprecated .oex Extension API framework for Opera versions <= 12.15 and also provided by our OEX2NEX shim library.

For the latest Opera Extensions API documentation for Opera versions > 12.15 please consult the latest Opera Extensions API documentation online.


The documentURLPatterns attribute is an array of rules specifying which domains a menu item should be visible on. If this attribute is null (default) or an empty array then the menu item will appear on all domains. Note that * can be used as a wildcard.


DOMString[] documentURLPatterns


The following example creates an item in the context menu only for pages in the opera.com domain.

  The configuration file ('config.xml').
<?xml version='1.0' encoding='utf-8'?>
<widget xmlns="http://www.w3.org/ns/widgets">
    <feature name="opera:contextmenus"/>
// The background process (e.g. index.html)

if (opera.contexts.menu) {
  var menu = opera.contexts.menu;
  // Create a menu item properties object
  var itemProps = {
    title: 'Translate this page',
    documentURLPatterns: [
    onclick: function(event) {

  // Create a menu item with the specified properties
  var item = menu.createItem(itemProps);
  // Add the menu item to the context menu