diff --git a/test/integration/function-integration.test.ts b/test/integration/function-integration.test.ts
new file mode 100644
index 000000000..159115a1f
--- /dev/null
+++ b/test/integration/function-integration.test.ts
@@ -0,0 +1,68 @@
+import { expect, describe, test, beforeAll, afterAll } from 'vitest'
+import { readFileSync } from 'fs'
+import {
+  initPlainClient,
+  getTestOrganization,
+  getDefaultSpace,
+  timeoutToCalmRateLimiting,
+} from '../helpers'
+import type {
+  Organization,
+  AppDefinition,
+  AppUpload,
+  Space,
+  Environment,
+  PlainClientAPI,
+} from '../../lib/contentful-management'
+
+describe('AppBundle api', { sequential: true }, () => {
+  let organization: Organization
+  let appDefinition: AppDefinition
+  let appUpload: AppUpload
+  let space: Space
+  let env: Environment
+  let client: PlainClientAPI
+
+  beforeAll(async () => {
+    space = await getDefaultSpace()
+    env = await space.getEnvironment('master')
+    organization = await getTestOrganization()
+
+    client = initPlainClient({
+      spaceId: space.sys.id,
+      environmentId: 'master',
+    })
+
+    appDefinition = await organization.createAppDefinition({
+      name: 'Test AppBundle',
+    })
+
+    appUpload = await organization.createAppUpload(readFileSync(`${__dirname}/fixtures/build.zip`))
+  })
+
+  afterAll(async () => {
+    const { items: appDefinitions } = await organization.getAppDefinitions()
+    const { items: appInstallations } = await env.getAppInstallations()
+
+    for (const appInstallation of appInstallations) {
+      await appInstallation.delete()
+    }
+    for (const appDefinition of appDefinitions) {
+      await appDefinition.delete()
+    }
+
+    if (appUpload) {
+      await appUpload.delete()
+    }
+    await timeoutToCalmRateLimiting()
+  })
+
+  test('getManyFunction', async () => {
+    const funcs = await client.function.getMany({
+      organizationId: organization.sys.id,
+      appDefinitionId: appDefinition.sys.id,
+    })
+    expect(funcs).toBeDefined()
+    expect(funcs.items).toBeInstanceOf(Array)
+  })
+})