Returns 1 if the unit is in your raid group, nil otherwise.

isTrue = UnitPlayerOrPetInRaid("unit")

Parameters

Arguments

"unit" 

String - unitId who should be checked

Returns

isTrue 

1 or nil

Note: returns nil for player and pet as of 3.0.2

Example

local TargetInRaid = UnitPlayerOrPetInRaid("target")

Result

TargetInRaid = 1   - If your target is in your raid group.
TargetInRaid = nil - If your target is not in raid group.