Fake OnSubmit for Input Field

UISubmitInput.cs

using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;

namespace BeginHQ.Utility {

	/*
		redirect submit event to parent
	*/
	public class UISubmitInput : MonoBehaviour {

		private void Awake () {
			var input = gameObject.GetComponent<InputField>();
			input.onEndEdit.AddListener((s) => {
				HandleSubmit(input);
			});
		}

		private void HandleSubmit (InputField input) {
			var ev = new BaseEventData(EventSystem.current);
			ExecuteEvents.ExecuteHierarchy(transform.parent.gameObject, ev, ExecuteEvents.submitHandler);
		}

	}

}