diff --git a/README.md b/README.md
index 89fd83e..a0e028e 100644
--- a/README.md
+++ b/README.md
@@ -1714,7 +1714,7 @@ Start real-time sharing or SOS. Wrapper for `setSdkMode`. See SDK type
 https://datamob.gitbook.io/doc-locator/TQfkVhcPsZiXIvXxq8Bv/english/service#id-4.5.3-setsdkmode-mode-locatorsdkmode-void
 
 ```ts
-setLocatorSdkMode: (mode: string) => Promise<void>;
+setLocatorSdkMode: (mode: string,  correlation?: Record<string, string>) => Promise<void>;
 ```
 
 ### getLocatorJwtToken
diff --git a/src/__tests__/family-locator-test.ts b/src/__tests__/family-locator-test.ts
index e2c489c..4e1f069 100644
--- a/src/__tests__/family-locator-test.ts
+++ b/src/__tests__/family-locator-test.ts
@@ -96,11 +96,17 @@ test('getLocatorSdkState', async () => {
     expect(res).toEqual({state: 'collecting'});
 });
 
-test('setLocatorSdkMode', async () => {
+test.each`
+    name                                  | mode          | correlation                        | expectedPayload
+    ${'with correlation'}                 | ${'observed'} | ${{traceId: 'abc123'}}             | ${{mode: 'observed', correlation: {traceId: 'abc123'}}}
+    ${'with multiple correlation fields'} | ${'sos'}      | ${{traceId: 'xyz', spanId: '456'}} | ${{mode: 'sos', correlation: {traceId: 'xyz', spanId: '456'}}}
+    ${'without correlation'}              | ${'observed'} | ${undefined}                       | ${{mode: 'observed'}}
+    ${'with empty correlation'}           | ${'hidden'}   | ${{}}                              | ${{mode: 'hidden'}}
+`('setLocatorSdkMode $name', async ({mode, correlation, expectedPayload}) => {
     createFakeAndroidPostMessage({
         checkMessage: (msg) => {
             expect(msg.type).toBe('SET_LOCATOR_SDK_MODE');
-            expect(msg.payload).toEqual({mode: 'observed'});
+            expect(msg.payload).toEqual(expectedPayload);
         },
         getResponse: (msg) => ({
             type: 'SET_LOCATOR_SDK_MODE',
@@ -108,7 +114,7 @@ test('setLocatorSdkMode', async () => {
         }),
     });
 
-    const res = await setLocatorSdkMode('observed');
+    const res = await setLocatorSdkMode(mode, correlation);
     expect(res).toBeUndefined();
 });
 
diff --git a/src/family-locator.ts b/src/family-locator.ts
index 7ce4eae..8a85eb7 100644
--- a/src/family-locator.ts
+++ b/src/family-locator.ts
@@ -17,11 +17,17 @@ export const setupLocatorSdkConfig = (
 export const getLocatorSdkState = (): Promise<{state: string}> =>
     postMessageToNativeApp({type: 'GET_LOCATOR_SDK_STATE'});
 
-export const setLocatorSdkMode = (mode: LocatorSdkMode): Promise<void> =>
+export const setLocatorSdkMode = (
+    mode: LocatorSdkMode,
+    correlation?: Record<string, string>,
+): Promise<void> =>
     postMessageToNativeApp({
         type: 'SET_LOCATOR_SDK_MODE',
         payload: {
             mode,
+            ...(correlation && Object.keys(correlation).length > 0
+                ? {correlation}
+                : {}),
         },
     });