function Trig_Single_Flying_Knockback_Conditions takes nothing returns boolean
     return GetSpellAbilityId() == 'A002'  
endfunction

function Trig_Single_Flying_Knockback_ReturnFH takes nothing returns nothing
     local timer t = GetExpiredTimer()
     local unit target = LoadUnitHandle(udg_Hashtable,GetHandleId(t),0)
     call SetUnitFlyHeight(target,0,400.)
     call FlushChildHashtable(udg_Hashtable,GetHandleId(t))
     call DestroyTimer(t)
     set t = null
endfunction

function Trig_Single_Flying_Knockback_Actions takes nothing returns nothing
     local unit caster = GetTriggerUnit()
     local unit target = GetSpellTargetUnit()
     local timer t = CreateTimer()
     local real angle = 57.295827 * Atan2(GetUnitY(target) - GetUnitY(caster),GetUnitX(target) - GetUnitX(caster))
     call UnitAddAbility(target,'Amrf')
     call UnitRemoveAbility(target,'Amrf')
     call SetUnitFlyHeight(target,200.,400.)
     call KnockBackUnit(target,300.,0.7,angle,0.04)
     call TimerStart(t,0.7 / 2,false,function Trig_Single_Flying_Knockback_ReturnFH)
     call SaveUnitHandle(udg_Hashtable,GetHandleId(t),0,target)
     set t = null
     set caster = null
     set target = null
endfunction

//===========================================================================
function InitTrig_Single_Flying_Knockback takes nothing returns nothing
     set gg_trg_Single_Flying_Knockback = CreateTrigger()
     call TriggerRegisterAnyUnitEventBJ(gg_trg_Single_Flying_Knockback,EVENT_PLAYER_UNIT_SPELL_EFFECT)
     call TriggerAddCondition(gg_trg_Single_Flying_Knockback,Condition(function Trig_Single_Flying_Knockback_Conditions))
     call TriggerAddAction(gg_trg_Single_Flying_Knockback,function Trig_Single_Flying_Knockback_Actions)
endfunction