### 3.2.17 breathing-sign-interface

A breathing sign.

#### User settable properties:

> `direction` (direction)

>   If `side-axis` is `0` (or `X`), then this property determines whether the object is placed `LEFT`, `CENTER` or `RIGHT` with respect to the other object. Otherwise, it determines whether the object is placed `UP`, `CENTER` or `DOWN`. Numerical values may also be used: `UP`=`1`, `DOWN`=`-1`, `LEFT`=`-1`, `RIGHT`=`1`, `CENTER`=`0`.

This grob interface is used in the following graphical object(s): BreathingSign.

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