How do I set the Y velocity of the player during a dash script

[grim silo]

I have a script for the player to dash, but I only want the dash to happen in the X direction. Currently, whenever the dash happens, it still conserves the Y velocity and lets the player dash upwards. So how would I set only the Y velocity to 0 when that happens so it only dashes straight forward?

[abstract imp]

What are you using for velocity?

[grim silo]

if moveDirection == Vector3.new(0,0,0) then -- if player is not currently moving/walking
                dashDirection = HRP.Position + Vector3.new(lookVector.X, 0 , 0)
            else -- if player are currently moving/walking
                dashDirection = HRP.Position + Vector3.new(moveDirection.X, 0, 0)
            end

[grim silo]

moveDirection, dashDirection, lookVector, and HRP are all variables

[wicked wren]

dashDirection = HRP.Position + Vector3.new(lookVector.X,3,0)

it'll add 3 to the Y direction

[grim silo]

so that will set the y velocity to 0?
(I forgot to mention that the script only allows dashing when jumping, so if you jump and dash, it can send you upwards)

and if dashing while falling you will dash downward/diagonally too

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[fervent sonnet]

Hi

[grim silo]

SOLVED
I used lua HumanoidRootPart.Velocity = Vector3.yAxis