How to add one onClick Event to multiple UI buttons

Hello, I must be missing something essential here. This is what I've tried: void Start() { // Assign the callback to all buttons foreach(Button subbutton in canvas.transform.GetComponentsInChildren()) { if(subbutton.tag == "subbutton") { subbutton.onClick.AddListener(() => { OnSubButtonPressed(subbutton); }); } } } public void OnSubButtonPressed(Button button) { // Shows the last button from the foreach loop, no matter what button I click. Debug.Log("button '" + button + "' was pressed"); } Now, the problem is that each button callback has the last button from the array (GetComponentsInChildren()) assigned as parameter, but in the foreach loop I want to attach the same callback to every button with the current button as a parameter. Is that even possible? Or is there another way to achieve that?