diff --git a/sdk/cognitiveservices/cognitiveservices-qnamaker/README.md b/sdk/cognitiveservices/cognitiveservices-qnamaker/README.md
index 84b966ff39b1..b7d962fc0f5e 100644
--- a/sdk/cognitiveservices/cognitiveservices-qnamaker/README.md
+++ b/sdk/cognitiveservices/cognitiveservices-qnamaker/README.md
@@ -50,7 +50,8 @@ msRestNodeAuth.interactiveLogin().then((creds) => {
     strictFilters: [{
       name: "testname",
       value: "testvalue"
-    }]
+    }],
+    strictFiltersCompoundOperationType: "AND"
   };
   client.runtime.generateAnswer(kbId, generateAnswerPayload).then((result) => {
     console.log("The result is:");
@@ -110,7 +111,8 @@ See https://github.com/Azure/ms-rest-browserauth to learn how to authenticate to
           strictFilters: [{
             name: "testname",
             value: "testvalue"
-          }]
+          }],
+          strictFiltersCompoundOperationType: "AND"
         };
         client.runtime.generateAnswer(kbId, generateAnswerPayload).then((result) => {
           console.log("The result is:");
diff --git a/sdk/cognitiveservices/cognitiveservices-qnamaker/src/models/index.ts b/sdk/cognitiveservices/cognitiveservices-qnamaker/src/models/index.ts
index f76840a2b675..3a406c48e0b2 100644
--- a/sdk/cognitiveservices/cognitiveservices-qnamaker/src/models/index.ts
+++ b/sdk/cognitiveservices/cognitiveservices-qnamaker/src/models/index.ts
@@ -227,6 +227,11 @@ export interface QueryDTO {
    * Find only answers that contain these metadata.
    */
   strictFilters?: MetadataDTO[];
+  /**
+   * Optional field. Set to OR for using OR as Operation for Strict Filters. Possible values
+   * include: 'AND', 'OR'
+   */
+  strictFiltersCompoundOperationType?: StrictFiltersCompoundOperationType;
 }
 
 /**
@@ -317,6 +322,14 @@ export interface FeedbackRecordsDTO {
  */
 export type ErrorCodeType = 'BadArgument' | 'Forbidden' | 'NotFound' | 'KbNotFound' | 'Unauthorized' | 'Unspecified' | 'EndpointKeysError' | 'QuotaExceeded' | 'QnaRuntimeError' | 'SKULimitExceeded' | 'OperationNotFound' | 'ServiceError' | 'ValidationFailure' | 'ExtractionFailure';
 
+/**
+ * Defines values for StrictFiltersCompoundOperationType.
+ * Possible values include: 'AND', 'OR'
+ * @readonly
+ * @enum {string}
+ */
+export type StrictFiltersCompoundOperationType = 'AND' | 'OR';
+
 /**
  * Contains response data for the generateAnswer operation.
  */
diff --git a/sdk/cognitiveservices/cognitiveservices-qnamaker/src/models/mappers.ts b/sdk/cognitiveservices/cognitiveservices-qnamaker/src/models/mappers.ts
index fa90543d3f62..0b94a70a762e 100644
--- a/sdk/cognitiveservices/cognitiveservices-qnamaker/src/models/mappers.ts
+++ b/sdk/cognitiveservices/cognitiveservices-qnamaker/src/models/mappers.ts
@@ -397,6 +397,12 @@ export const QueryDTO: msRest.CompositeMapper = {
             }
           }
         }
+      },
+      strictFiltersCompoundOperationType: {
+        serializedName: "strictFiltersCompoundOperationType",
+        type: {
+          name: "String"
+        }
       }
     }
   }