### 1.1.22 DoublePercentEvent

Used internally to signal double percent repeats.

Event classes: double-percent-event, music-event, rhythmic-event and StreamEvent.

Accepted by: Double_percent_repeat_engraver.

Properties:

> `name` (symbol):

>   `'DoublePercentEvent`

>   Name of this music object.

> `types` (list):

>   `'(general-music event double-percent-event rhythmic-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).