How to implement ble mesh Proxy node and relay node using nrf5_SDK_for_Mesh_v4.1.0_src ?

[Nidhi_21]

Hello,

I want to to configure mesh proxy node and along with that it should also contain relay functionalities using nrf5_SDK_for_Mesh_v4.1.0_src.

Is there any sample code / example available directly or indirectly for proxy and/or relay node ??

What are the steps for configuring relay node ?? 

[Nidhi_21]

Please guide me for this question too related to light_switch sample example !!