Returns whether a unit exists. A unit "exists" if it can be referenced by the player; e.g. party1 exists if the player is in a party with at least one other member (regardless of whether that member is nearby), target exists if the player has a target, npc exists if the player is currently interacting with an NPC, etc.
See also Unit functions.
Signature:
exists = UnitExists("unit") or UnitExists("name")
Arguments:
unit- A unit to query (string, unitID)name- The name of a unit to query; only valid forplayer,pet,npc, and party/raid members (string)
Returns:
exists- 1 if the unit exists, otherwise nil (1nil)