|   |   | 
| $window Retrieve the ID of a specified window. | 
| Usage | 
| <string> $window <string> $window([<caption_text:hash>[,<context_id:uint>]]) | 
| Description | 
| Returns the window ID of the first window that
has the specified <caption text>. If no window matches the specified <caption text>, an invalid window ID is returned (0). If no <caption text> is specified, this function returns the ID of the current window. <context_id> restricts search in only one IRC context. | 
| Examples | 
| echo This is the window with ID $window | 
| See also | 
| $channel, $query, $console, Window naming conventions |