On the Portuguese FIR’s, Sector Inbound shall be set by using

C/S | CFL | ATYP | WTC | RFL | ASSR | ADEP | ADES | TEXT

Sector Inbound is used to have an overview of the aircraft that are have your sector assigned as Next.
The best use for this flight list in to plan in advance the load of your sector, and to get an idea of the traffic inbound your sector, without having to worry about it on the radar.

The traffic will have a yellow label, as set on the Concerned state.

Please note that ASSR is not fully developed in the current IvAc2 version