### 2.2.47 Grace_auto_beam_engraver

Generates one autobeam group across an entire grace phrase. As usual, any manual beaming or `\noBeam` will block autobeaming, just like setting the context property ‘`autoBeaming`’ to `##f`.

Music types accepted:

beam-forbid-event

Properties (read)

> `autoBeaming` (boolean)

>   If set to true then beams are generated automatically.

This engraver creates the following layout object(s):

Beam.

`Grace_auto_beam_engraver` is part of the following context(s): CueVoice, DrumVoice, GregorianTranscriptionVoice, KievanVoice, MensuralVoice, PetrucciVoice, TabVoice, VaticanaVoice and Voice.

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