From 62211b92e3c8336b0c6a1ea65ec248524106a707 Mon Sep 17 00:00:00 2001
From: Yorke Rhodes <yorke@hyperlane.xyz>
Date: Tue, 21 Nov 2023 18:12:22 -0500
Subject: [PATCH] Add requiredHook to IMailbox

---
 solidity/contracts/interfaces/IMailbox.sol | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/solidity/contracts/interfaces/IMailbox.sol b/solidity/contracts/interfaces/IMailbox.sol
index b0b8fa418..60d2e9a2b 100644
--- a/solidity/contracts/interfaces/IMailbox.sol
+++ b/solidity/contracts/interfaces/IMailbox.sol
@@ -52,6 +52,8 @@ interface IMailbox {
 
     function defaultHook() external view returns (IPostDispatchHook);
 
+    function requiredHook() external view returns (IPostDispatchHook);
+
     function latestDispatchedId() external view returns (bytes32);
 
     function dispatch(