c# what is a function code example

Example 1: c# function

public void SayHello()
{
Console.WriteLine("Hello") ;
}
//as basic as it gets 
//for a function

Example 2: c# funtion

public int AddNumbers(int number1, int number2){    int result = number1 + number2;    if(result > 10)    {    return result;    }    return 0;}