# Message: `CollisionObjectDesc` ### Fields: - **collision_shape**: `str` - **type**: `int` - **mass**: `float` - **friction**: `float` - **restitution**: `float` - **group**: `str` - **mask**: `str` - **embedded_collision_shape**: `CollisionShape` - **linear_damping**: `float` - **angular_damping**: `float` - **locked_rotation**: `bool` - **bullet**: `bool` - **event_collision**: `bool` - **event_contact**: `bool` - **event_trigger**: `bool` ---