diff --git a/types/aws-lambda/aws-lambda-tests.ts b/types/aws-lambda/aws-lambda-tests.ts
index 4da38ff8e0..1296bd54e4 100644
--- a/types/aws-lambda/aws-lambda-tests.ts
+++ b/types/aws-lambda/aws-lambda-tests.ts
@@ -444,6 +444,7 @@ str = cognitoUserPoolEvent.callerContext.clientId;
 str = cognitoUserPoolEvent.request.userAttributes["email"];
 str = cognitoUserPoolEvent.request.validationData!["k1"];
 strOrUndefined = cognitoUserPoolEvent.request.codeParameter;
+strOrUndefined = cognitoUserPoolEvent.request.linkParameter;
 strOrUndefined = cognitoUserPoolEvent.request.usernameParameter;
 boolOrUndefined = cognitoUserPoolEvent.request.newDeviceUsed;
 cognitoUserPoolEvent.request.session![0].challengeName === "CUSTOM_CHALLENGE";
@@ -477,6 +478,31 @@ cognitoUserPoolEvent.response.desiredDeliveryMediums === ["EMAIL"];
 cognitoUserPoolEvent.response.desiredDeliveryMediums === ["SMS"];
 cognitoUserPoolEvent.response.desiredDeliveryMediums === ["SMS", "EMAIL"];
 boolOrUndefined = cognitoUserPoolEvent.response.forceAliasCreation;
+// From AWS examples
+cognitoUserPoolEvent.response = {
+    claimsOverrideDetails: {
+        claimsToAddOrOverride: {
+            attribute_key2: "attribute_value2",
+            attribute_key: "attribute_value"
+        },
+        claimsToSuppress: ["email"]
+    }
+};
+cognitoUserPoolEvent.response = {
+    claimsOverrideDetails: {
+        claimsToAddOrOverride: {
+            attribute_key2: "attribute_value2",
+            attribute_key: "attribute_value"
+        },
+        claimsToSuppress: ["email"],
+        groupOverrideDetails: {
+            groupsToOverride: ["group-A", "group-B", "group-C"],
+            iamRolesToOverride: ["arn:aws:iam::XXXXXXXXXXXX:role/sns_callerA", "arn:aws:iam::XXXXXXXXX:role/sns_callerB", "arn:aws:iam::XXXXXXXXXX:role/sns_callerC"],
+            preferredRole: "arn:aws:iam::XXXXXXXXXXX:role/sns_caller"
+        }
+    }
+};
+cognitoUserPoolEvent.response.claimsOverrideDetails!.groupOverrideDetails = null;
 
 // CloudFormation Custom Resource
 switch (cloudformationCustomResourceEvent.RequestType) {
diff --git a/types/aws-lambda/index.d.ts b/types/aws-lambda/index.d.ts
index 1a17141c7a..35b07b035b 100644
--- a/types/aws-lambda/index.d.ts
+++ b/types/aws-lambda/index.d.ts
@@ -293,6 +293,7 @@ export interface CognitoUserPoolTriggerEvent {
         userAttributes: { [key: string]: string };
         validationData?: { [key: string]: string };
         codeParameter?: string;
+        linkParameter?: string;
         usernameParameter?: string;
         newDeviceUsed?: boolean;
         session?: Array<{
@@ -322,6 +323,15 @@ export interface CognitoUserPoolTriggerEvent {
         messageAction?: "SUPPRESS";
         desiredDeliveryMediums?: Array<"EMAIL" | "SMS">;
         forceAliasCreation?: boolean;
+        claimsOverrideDetails?: {
+            claimsToAddOrOverride?: { [key: string]: string };
+            claimsToSuppress?: string[];
+            groupOverrideDetails?: null | {
+                groupsToOverride?: string[];
+                iamRolesToOverride?: string[];
+                preferredRole?: string;
+            };
+        };
     };
 }
 export type CognitoUserPoolEvent = CognitoUserPoolTriggerEvent;