Help createprojectile

[Martin786843]

I do not know if something is missing but the missile does not activate me: Rocket in the shamal from the createprojectile, I do not know if it would be wrong but I pass the file if you can see

 

 

function shootProjectile()
    local vehicle = getPedOccupiedVehicle(localPlayer)
    -- Only create projectile if we are inside a vehicle
    if(519)then
        local x, y, z = getElementPosition(519)
        createProjectile(519, 19, x, y, z)
    end
end

bindKey("Ctrl", "down", shootProjectile)

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[^iiEcoo'x_)]

you can't check from numbers .
if ( 519 ) then , false
if ( Value == 519 ) then , true 

or from function return a number 
if ( function ( ) == 519 ) then , true