From a4e46cb002d671dcffd0ac74aa610633a3b57bc7 Mon Sep 17 00:00:00 2001
From: Prithviraj-rathore-segment <prathore@twilio.com>
Date: Fri, 29 Aug 2025 12:55:14 +0530
Subject: [PATCH] STRATCONN-6111/Braze added devicePropertyAllowList in braze
 SDK initialization onyly for valid values

---
 .../src/__tests__/initialization.test.ts      | 30 +++++++++++++++++++
 .../destinations/braze/src/index.ts           | 13 +++++++-
 2 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/packages/browser-destinations/destinations/braze/src/__tests__/initialization.test.ts b/packages/browser-destinations/destinations/braze/src/__tests__/initialization.test.ts
index f2cdfa1c4e8..37a17ecfacb 100644
--- a/packages/browser-destinations/destinations/braze/src/__tests__/initialization.test.ts
+++ b/packages/browser-destinations/destinations/braze/src/__tests__/initialization.test.ts
@@ -136,4 +136,34 @@ describe('initialization', () => {
     expect(openSessionSpy).toHaveBeenCalled()
     expect(logCustomEventSpy).toHaveBeenCalledWith('FIFA', { goat: 'deno' })
   })
+
+  test('passes devicePropertyAllowlist to Braze SDK initialization', async () => {
+    const devicePropertyAllowlist = ['os', 'browser']
+    const [event] = await brazeDestination({
+      api_key: 'b_123',
+      endpoint: 'endpoint',
+      sdkVersion: '3.5',
+      doNotLoadFontAwesome: true,
+      devicePropertyAllowlist,
+      subscriptions: [
+        {
+          partnerAction: 'trackEvent',
+          name: 'Track Event',
+          enabled: true,
+          subscribe: 'type = "track"',
+          mapping: {
+            eventName: { '@path': '$.event' },
+            eventProperties: { '@path': '$.properties' }
+          }
+        }
+      ]
+    })
+
+    const initializeSpy = jest.spyOn(destination, 'initialize')
+    await event.load(Context.system(), {} as Analytics)
+
+    // Check that the config passed to initialize contains the allowlist
+    const callArgs = initializeSpy.mock.calls[0][0]?.settings || {}
+    expect(callArgs.devicePropertyAllowlist).toEqual(devicePropertyAllowlist)
+  })
 })
diff --git a/packages/browser-destinations/destinations/braze/src/index.ts b/packages/browser-destinations/destinations/braze/src/index.ts
index 853930eb164..2ad630b353b 100644
--- a/packages/browser-destinations/destinations/braze/src/index.ts
+++ b/packages/browser-destinations/destinations/braze/src/index.ts
@@ -322,9 +322,20 @@ export const destination: BrowserDestinationDefinition<Settings, BrazeDestinatio
         // @ts-expect-error same as above.
         subscriptions,
         deferUntilIdentified,
+        devicePropertyAllowlist,
         ...expectedConfig
       } = settings
 
+      type BrazeConfig = typeof expectedConfig & {
+        devicePropertyAllowlist?: string[]
+      }
+      const config: BrazeConfig = { ...expectedConfig }
+      if (Array.isArray(devicePropertyAllowlist)) {
+        if (devicePropertyAllowlist.some((item) => item.trim() !== '')) {
+          config.devicePropertyAllowlist = devicePropertyAllowlist
+        }
+      }
+
       const version = sdkVersion ?? defaultVersion
 
       resetUserCache()
@@ -351,7 +362,7 @@ export const destination: BrowserDestinationDefinition<Settings, BrazeDestinatio
           if (
             !client.instance.initialize(api_key, {
               baseUrl: window.BRAZE_BASE_URL || endpoint,
-              ...expectedConfig
+              ...config
             })
           ) {
             return false