How can I make rumble stripes in blender?

[shadowyue]

I create the new road template,then select the line ,assign the part named "lines"
But in the game , I can not hear the rumble noise from the line when I drive on it.
How can I make rumble stripes?
Thx a lot.

[room217au]

I guess there's a sound trigger required in the .pmd or some such?

[shadowyue]

Quote removed - Don't quote the post above - Rule 2.12

Hi, I was input the ets2's road template model in to the blender, that can not find the trigger.
And I also find the susbstance named " rumble stripes" in the material panel, but it still quiet.