> For the complete documentation index, see [llms.txt](https://docs.lightact.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.lightact.com/integrations/camera-and-object-tracking/node-based-tracking-workflows/psn.md).

# PSN

LightAct offers both sending and receiving devices nodes. Each node requires a **Multicast address** information.

### PSN Sender Device Node

To start sending PSN information insert a **PSN Sender** device.

<div align="left"><img src="/files/3e5Dn5ctQrCCyo7JdzIJ" alt=""></div>

On the right side, under the *Stream*, configurable properties for specific devices will be shown. After you configure them, check **Send** checkbox inside the device node.

### Send PSN in Layer Layouts

To set the information sent by *PSN Sender* node in LightAct, you need to create a **Send PSN** node in the layouts.

Choose **PSN Sender** device in a **Device** dropdown menu, or connect **Device reference** node to this input, and you are ready to go.

![](/files/MXMm96mXHF7Ulq6Xv5OI)

*Send PSN* node is sending **Name** and a number of vec3's: **Position, Orientation, Speed, Acceleration** and **Target position**. One way of connecting the node is shown below:

![](/files/99AJezZpoEiW1qvFXLXn)

### PSN Receiver Device Node

To start receiving PSN information insert a **PSN Receiver** device.

![](/files/v8QbjjcuoAlHfbDPpxm4)

On the right side, under the *Stream*, configurable properties for specific devices will be shown. After you configure them, check **Listen** checkbox inside the device node.

### PSN Receiver Device Node

To start receiving PSN information insert a **PSN Receiver** device.

![](/files/v8QbjjcuoAlHfbDPpxm4)

On the right side, under the *Stream*, configurable properties for specific devices will be shown. After you configure them, check **Listen** checkbox inside the device node.

### Read PSN in Layer Layouts

To use the information read by **PSN Receiver** device node in LightAct, you need to create a **Read PSN** node in the layouts.

Choose **PSN Receiver** device in a **Device** dropdown menu, or connect **Device reference** node to this input, and you are ready to go.

![](/files/faEzje3jqayRMEwiS1Od)