[Name] name [Required] false [Attribute Constraints] This attribute must not be specified in conjunction with inline content [Type] ECMAScript Expression [Default Value] none [Description] 
An ECMAScript expression which returns a character string that indicates the type of event name being generated. The event type name may include alphanumeric characters and the "." (dot) character. The first character may not MUST NOT be a dot or a digit. Event type event names are case-insensitive. If neither the name attribute nor inline content is specified, an error.fetch event must be thrown. If used in conjunction with the inline content, an error.fetch must be thrown.