How to make dash level?

[Useless Shyguy]

I'm having problem with making my level.I want that something will chase player to the end of the level but i don't know how to make that.

[HeroLinik]

First off, create the object that the player will have to be dashing from, and set it to its own layer. Then, open up the Events box, and on the "Level - Start" event, go to the "Layer movement" window and pick the layer that you assigned the dash object to, and set it to go really fast in the direction that the player will be moving (+ve for right, -ve for left). Next up, go to the autoscroll pane near the bottom, and set the speed of the autoscroll to the same speed as the moving dash object.