function GroupHealClusterParty30()
    local PrayerMembers = {};
    for Index, Unit in GetNumGroupMembers() do
        local Unit = Primary
        if UnitHealthPercent(Primary) < 90 then
            for Index, Unit in pairs(GetFriendliesNearUnit(Primary, 30)) do
                local Unit = Secondary
                if UnitHealthPercent(Secondary) < 90 and and UnitIsPlayer(Secondary) == 1
                and ((IsInRaid("player") and GetGroupNumber(Primary) == GetGroupNumber(Secondary) and GetGroupNumber(Secondary) ~= nil) or (not IsInRaid("player") and UnitInParty(Secondary) == 1))
                --and UnitGUID(Primary) ~= UnitGUID(Secondary)
                then
                table.insert(PrayerMembers, Primary);
            end
        end
    end
    return PrayerMembers;
end

if GroupHealClusterParty30() > 2 then
Cast Prayer of mending
end