CSHARP

input unity

void Update() 
{ 
    if (Input.GetKeyDown(KeyCode.Space)) 
    { 
        // Spacebar was pressed 
    } 
        if (Input.GetMouseButtonDown(0)) 
    { 
        // Left mouse was pressed 
    } 
}

unity input system

private void OnEnable()
{
	playerInput = GetComponent<PlayerInput>();
    playerInput.actions["Action"].performed += HandleAction
}

private void Update() {
	value = playerInput.actions["Value"].ReadValue<Vector2>();
}

private void HandleAction(InputAction.CallbackContext context)
{
	HandleJump();
}