How do I make my char keep moving?

hi how to make my char keep moving to one direction whenever i put touch behavior?

ex: when i touch the screen, the char keep moving to the right and when i touch the screen again it moving to the left, so it's change vector direction when i touch the screen

You can add platform behaviour to your char, add a boolean variable to it as well (direction for example).

Then on your event sheet add the following

Every tick>

|_> Player.direction = 0 > Player> Platform simulate control> pressing right

|_> Player.direction = 1 > Player> Platform simulate control> pressing left

On any touch> Player > Toggle direction (toggle boolean action)