From 9e2aaa5925532d55c626426f13cf23ff740a6f8d Mon Sep 17 00:00:00 2001
From: Will Smith <willsmith9182@users.noreply.github.com>
Date: Wed, 4 Oct 2023 17:17:23 +0100
Subject: [PATCH] add client metadata to init auth call.

---
 .../CognitoUserAuthentication.cs                             | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Amazon.Extensions.CognitoAuthentication/CognitoUserAuthentication.cs b/src/Amazon.Extensions.CognitoAuthentication/CognitoUserAuthentication.cs
index b876b31..1b16a9e 100644
--- a/src/Amazon.Extensions.CognitoAuthentication/CognitoUserAuthentication.cs
+++ b/src/Amazon.Extensions.CognitoAuthentication/CognitoUserAuthentication.cs
@@ -63,6 +63,11 @@ public virtual async Task<AuthFlowResponse> StartWithSrpAuthAsync(InitiateSrpAut
             Tuple<BigInteger, BigInteger> tupleAa = AuthenticationHelper.CreateAaTuple();
             InitiateAuthRequest initiateRequest = CreateSrpAuthRequest(tupleAa);
 
+            if (srpRequest.ClientMetadata != null)
+            {
+                initiateRequest.ClientMetadata = new Dictionary<string, string>(srpRequest.ClientMetadata);
+            }
+
             if (srpRequest.IsCustomAuthFlow)
             {
                 initiateRequest.AuthFlow = AuthFlowType.CUSTOM_AUTH;