### 1.1.17 CompletizeExtenderEvent

Used internally to signal the end of a lyrics block to ensure extenders are completed correctly when a `Lyrics` context ends before its associated `Voice` context.

Event classes: completize-extender-event, music-event and StreamEvent.

Accepted by: Extender_engraver.

Properties:

> `name` (symbol):

>   `'CompletizeExtenderEvent`

>   Name of this music object.

> `types` (list):

>   `'(general-music completize-extender-event event)`

>   The types of this music object; determines by what engraver this music expression is processed.

#### Internals Reference v2.18.2 (稳定分支).