LilyPond Internals Reference: 2.2.107 Staff_collecting_engraver

### 2.2.107 Staff_collecting_engraver

Maintain the `stavesFound` variable.

Properties (read)

> `stavesFound` (list of grobs)

>   A list of all staff-symbols found.

Properties (write)

> `stavesFound` (list of grobs)

>   A list of all staff-symbols found.

`Staff_collecting_engraver` is part of the following context(s): DrumStaff, GregorianTranscriptionStaff, MensuralStaff, Score, Staff, TabStaff and VaticanaStaff.

#### Internals Reference