unity script functions start code example

Example 1: void start

void Start()
 {
 //Whatever you want to happen on start
 }

Example 2: Start() Awake() Update()

Start()
{
	//Gets called on the first frame when the script is run
}
Update()
{
	//Gets called everyframe, for example if you wanted to 
    //increase a number every frame the do it here
}
Awake()
{
	//The same as start but can sometimes be more effiecient in some situations
}