WoW:API CanSummonFriend

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Returns whether you can RaF summon a particular unit.

summonable = CanSummonFriend("unit")

Arguments

unit

String (UnitId) - player to check whether you can summon.

Returns

summonable

Flag - 1 if you can summon the unit using RaF, nil otherwise.

Example

The snippet below checks whether you can summon the target, and, if so, whispers and summons her to you.

local t = "target"; 
if CanSummonFriend(t) then 
  SendChatMessage("I am summoning you!","WHISPER",nil,t) 
  SummonFriend(t) 
end