# vio_pipe in voxl-vision-px4.conf

Source: https://forum.modalai.com/topic/1305/vio_pipe-in-voxl-vision-px4-conf
Category: General Questions (https://forum.modalai.com/category/2/general-questions)
Posted: 2022-09-07 22:48:52 UTC by IC
Replies: 0 · Views: 470

## IC · 2022-09-07 22:48:52 UTC

Hi,

In the VVPX4 configuration file there is an option of choosing the pipe 
```
"vio_pipe":	"qvio"
```

What other pipes can the vio subscribe to, other than the qvio? Is it possible for it to subscribe to a ROS node?