NPC List Char (Like PVP Ladder)

[LearningRO]

HI, All i want to make npc where is list player (Display 10 nickname player per page)
and how to be in list on npc
When Player Use item ( Ex: "Event Verification") the char name will be list on that NPC
it's posible?

Purpose this npc ( to find out who the active player in game )

Somebody can help me with my idea 

thx before

[funtwocrasher]

To find out who is active on the server just make an npc that does @who command. Displays all active players.