First 2d game in Unity. Started Character controller in C#.

Tried to get the character to move constantly right then once it hits the wall move left without needing any input from the player. Looked at a couple infinite runner character controller examples, but they seem to trick the character into thinking the player is holding down the right button in order to make the character run right infinitely "character.Move( 1, false , jump );".

Question: How to make the character start moving right automatically?