diff --git a/src/client/index.ts b/src/client/index.ts
index 3ceb0d156..ab09b4bcb 100644
--- a/src/client/index.ts
+++ b/src/client/index.ts
@@ -36,6 +36,7 @@ export {
   RetrieveSuccess,
   MetadataApiDeployStatus,
   DeployNotification,
+  DeployExtensionResult,
   DeployDetails,
   RunTestResult,
   CodeCoverage,
diff --git a/src/client/types.ts b/src/client/types.ts
index 936dcc1d5..8757a1f75 100644
--- a/src/client/types.ts
+++ b/src/client/types.ts
@@ -147,10 +147,17 @@ export type MetadataApiDeployStatus = {
   startDate?: string;
   stateDetail?: string;
   notifications?: DeployNotification | DeployNotification[];
+  deployExtensionResults?: DeployExtensionResult | DeployExtensionResult[];
 } & MetadataRequestStatus;
 
 export type DeployNotification = { messageCode: string; messageText: string };
 
+export type DeployExtensionResult = {
+  type: string;
+  status: string;
+  message?: string;
+};
+
 export type DeployDetails = {
   componentFailures?: DeployMessage | DeployMessage[];
   componentSuccesses?: DeployMessage | DeployMessage[];
diff --git a/src/index.ts b/src/index.ts
index a23a937cb..b3bd84aae 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -37,6 +37,7 @@ export {
   RetrieveSuccess,
   MetadataApiDeployStatus,
   DeployNotification,
+  DeployExtensionResult,
   DeployDetails,
   RunTestResult,
   CodeCoverage,