Editing WoW:API UnitIsVisible (section)

{{wowapi}}

Indicates whether the game client (rather than the player) can see unit.
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;''Arguments''

:(String unit)

:;unit : UnitId of the unit

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;''Returns''

:;vis : Number - 1 if client can see unit, nil if not

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;''Details''
:The game client can see objects (including units) that the server has told it to load (and has not yet told it to unload).  The server provides objects in a 100-yard radius, but seems to load them in batches.

:This does not check for line-of-sight, only for game client visibility.