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Custom flags are bouquet validators which accept a user defined anonymous function that returns a boolean value. This allows for any custom condition to be used as part of the evaluation of a bouquet's chain of validators. These custom flag validators can be any valid anonymous Lua function which returns true or false.

The VUHDO_unitInfo table provides the relevant cached information on the subject unit to the anonymous function.

The simple example below returns true if the unit is named 'Ivaria':

return ("Ivaria" == VUHDO_unitInfo["name"])

The follow is a more complicated example which returns true only if the player's spell 'Prayer of Mending' is off cooldown and the unit is below 90% health:

return ((select(2,GetSpellCooldown("Prayer of Mending")) == 0) and ((VUHDO_unitInfo["health"] / VUHDO_unitInfo["healthmax"]) < 0.9)) and true or false;

Unit information (VUHDO_unitInfo table):

key	type / value	value description
afk	boolean	true if unit is AFK
aggro	boolean	true if unit has aggro
charmed	boolean	true if unit is charmed
class	string	the unit's class name
classId	number	the unit's class ID
	20	warrior
	21	rogue
	22	hunter
	23	paladin
	24	mage
	25	warlock
	26	shaman
	27	druid
	28	priest
	29	death knight
	30	monk
className	string	the unit's class name prettified
connected	boolean	true if unit is connected
dead	boolean	true if unit is dead
debuff	number	the unit's last active debuff type
	0	no active debuff
	1	poison
	2	disease
	3	magic
	4	curse
	6	custom debuff
	7	missing Buff Watch aura
debuffName	string	the most recent debuff on the unit
fullName	string	the full name of the unit
group	number	the group the unit is in
health	number	the unit's current health
healthmax	number	the unit's maximum health
isAltPower	boolean	true if unit has an alt power active
isPet	boolean	true if unit is a pet
isVehicle	boolean	true if unit is in a vehicle
name	string	the name of the unit
ownerUnit	string	unit's owner if pet or vehicle
petUnit	string	the unit's pet unit ID
power	number	the unit's current power
powermax	number	the unit's maximum power
powertype	number	the type of power
	0	mana
	1	rage
	2	focus
	3	energy
	4	happiness
	5	runes
raidIcon	number	the raid icon if unit is marked
	1	yellow 4-point Star
	2	orange circle
	3	purple diamond
	4	green triangle
	5	white crescent moon
	6	blue square
	7	red "X" cross
	8	white skull
range	boolean	true if unit is in range
role	number	the unit's combat role
	60	melee tank
	61	melee damage
	62	ranged damage
	63	ranged heal
targetUnit	string	the unit's target
threat	number	the unit's threat status
	0	not tanking, lower threat than tank
	1	not tanking, higher threat than tank
	2	insecurely tanking, another unit has higher threat
	3	securely tanking, highest threat
threatPerc	number	the unit's threat percentage
unit	string	the unit ID
visible	boolean	true if the unit is visible