nput.GetKeyDown(KeyCode.Space) unity code example

Example 1: unity get key down

// KeyCode.Space : The key you press
// GetKeyDown : Is true once, when the key is pressed 
// If you want it to be true WHILE the key is pressed, try GetKey() instead
if(Input.GetKeyDown(KeyCode.Space))
{
	// Do something
}

Example 2: press key run code unity c#

if(Input.GetKey(KeyCode.space))
	{
  		print("Space key was pressed")
	}