diff --git a/src/analytics.test.ts b/src/analytics.test.ts
new file mode 100644
index 00000000..fe738745
--- /dev/null
+++ b/src/analytics.test.ts
@@ -0,0 +1,106 @@
+import { viewScreenEvent } from './analytics';
+
+interface MockedData {
+    getFirstAAID_value?: boolean;
+}
+
+const mockedData: MockedData = {};
+
+jest.mock('./container', () => ({
+    Container: { siteManager: { getFirstAAID: () => mockedData.getFirstAAID_value } },
+}));
+
+function setProcessPlatform(platform: NodeJS.Platform) {
+    Object.defineProperty(process, 'platform', {
+        value: platform,
+        writable: false,
+    });
+}
+
+describe('viewScreenEvent', () => {
+    const originalPlatform = process.platform;
+
+    beforeAll(() => {
+        setProcessPlatform('win32');
+    });
+
+    beforeEach(() => {
+        mockedData.getFirstAAID_value = true;
+    });
+
+    afterAll(() => {
+        setProcessPlatform(originalPlatform);
+    });
+
+    it('should create a screen event with the correct screen name', async () => {
+        const screenName = 'testScreen';
+        const event = await viewScreenEvent(screenName);
+        expect(event.name).toEqual(screenName);
+        expect(event.screenEvent.attributes).toBeUndefined();
+    });
+
+    it('should exclude from activity if screen name is atlascodeWelcomeScreen', async () => {
+        const screenName = 'atlascodeWelcomeScreen';
+        const event = await viewScreenEvent(screenName);
+        expect(event.screenEvent.attributes.excludeFromActivity).toBeTruthy();
+    });
+
+    it('should include site information if provided (cloud)', async () => {
+        const screenName = 'testScreen';
+        const site: any = {
+            id: 'siteId',
+            product: { name: 'Jira', key: 'jira' },
+            isCloud: true,
+        };
+        const event = await viewScreenEvent(screenName, site);
+        expect(event.screenEvent.attributes.instanceType).toEqual('cloud');
+        expect(event.screenEvent.attributes.hostProduct).toEqual('Jira');
+    });
+
+    it('should include site information if provided (server)', async () => {
+        const screenName = 'testScreen';
+        const site: any = {
+            id: 'siteId',
+            product: { name: 'Jira', key: 'jira' },
+            isCloud: false,
+        };
+        const event = await viewScreenEvent(screenName, site);
+        expect(event.screenEvent.attributes.instanceType).toEqual('server');
+        expect(event.screenEvent.attributes.hostProduct).toEqual('Jira');
+    });
+
+    it('should include product information if provided', async () => {
+        const screenName = 'testScreen';
+        const product = { name: 'Bitbucket', key: 'bitbucket' };
+        const event = await viewScreenEvent(screenName, undefined, product);
+        expect(event.screenEvent.attributes.hostProduct).toEqual('Bitbucket');
+    });
+
+    it('should set platform based on process.platform (win32)', async () => {
+        setProcessPlatform('win32');
+        const screenName = 'testScreen';
+        const event = await viewScreenEvent(screenName);
+        expect(event.screenEvent.platform).toEqual('windows');
+    });
+
+    it('should set platform based on process.platform (darwin)', async () => {
+        setProcessPlatform('darwin');
+        const screenName = 'testScreen';
+        const event = await viewScreenEvent(screenName);
+        expect(event.screenEvent.platform).toEqual('mac');
+    });
+
+    it('should set platform based on process.platform (linux)', async () => {
+        setProcessPlatform('linux');
+        const screenName = 'testScreen';
+        const event = await viewScreenEvent(screenName);
+        expect(event.screenEvent.platform).toEqual('linux');
+    });
+
+    it('should set platform based on process.platform (aix)', async () => {
+        setProcessPlatform('aix');
+        const screenName = 'testScreen';
+        const event = await viewScreenEvent(screenName);
+        expect(event.screenEvent.platform).toEqual('desktop');
+    });
+});
diff --git a/src/analytics.ts b/src/analytics.ts
index ca92649e..12af6efa 100644
--- a/src/analytics.ts
+++ b/src/analytics.ts
@@ -667,13 +667,13 @@ function instanceType(
     site?: DetailedSiteInfo,
     product?: Product,
 ): Record<string, any> {
-    eventProps.attributes = eventProps.attributes || {};
-
     if (product) {
+        eventProps.attributes = eventProps.attributes || {};
         eventProps.attributes.hostProduct = product.name;
     }
 
     if (site && !isEmptySiteInfo(site)) {
+        eventProps.attributes = eventProps.attributes || {};
         eventProps.attributes.instanceType = site.isCloud ? 'cloud' : 'server';
         eventProps.attributes.hostProduct = site.product.name;
     }