Hello Vwala
You can find more information about MPLS Layer 2 VPN at the following Cisco documentation:
https://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-1/lxvpn/configuration/guide/vc41crs/vc41v2.html
It includes both conceptual and configuration information about the feature.
i hope this has been helpful!
Laz