diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index d66ae435bf..85d6f6b9d7 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -100,6 +100,7 @@ export {
   setCookie,
   deleteCookie,
   resetInitCookies,
+  getCurrentSite,
 } from './browser/cookie'
 export { CookieStore, WeakRef, WeakRefConstructor } from './browser/browser.types'
 export { initXhrObservable, XhrCompleteContext, XhrStartContext } from './browser/xhrObservable'
diff --git a/packages/rum-core/src/boot/rumPublicApi.spec.ts b/packages/rum-core/src/boot/rumPublicApi.spec.ts
index 34899349a4..36f8497103 100644
--- a/packages/rum-core/src/boot/rumPublicApi.spec.ts
+++ b/packages/rum-core/src/boot/rumPublicApi.spec.ts
@@ -34,6 +34,7 @@ const noopStartRum = (): ReturnType<StartRum> => ({
   stopDurationVital: () => undefined,
   addDurationVital: () => undefined,
   stop: () => undefined,
+  setUser: () => undefined,
 })
 const DEFAULT_INIT_CONFIGURATION = { applicationId: 'xxx', clientToken: 'xxx' }
 const FAKE_WORKER = {} as DeflateWorker
diff --git a/packages/rum-core/src/boot/rumPublicApi.ts b/packages/rum-core/src/boot/rumPublicApi.ts
index 000064db0c..96e379f036 100644
--- a/packages/rum-core/src/boot/rumPublicApi.ts
+++ b/packages/rum-core/src/boot/rumPublicApi.ts
@@ -377,6 +377,8 @@ export function makeRumPublicApi(
     return buildCommonContext(globalContextManager, userContextManager, recorderApi)
   }
 
+  let setUser: (user: User) => void
+
   let strategy = createPreStartStrategy(
     options,
     getCommonContext,
@@ -405,6 +407,7 @@ export function makeRumPublicApi(
         customVitalsState
       )
 
+      setUser = startRumResult.setUser
       recorderApi.onRumStart(
         startRumResult.lifeCycle,
         configuration,
@@ -510,6 +513,7 @@ export function makeRumPublicApi(
       if (checkUser(newUser)) {
         userContextManager.setContext(sanitizeUser(newUser as Context))
       }
+      setUser(newUser)
       addTelemetryUsage({ feature: 'set-user' })
     }),
 
@@ -518,6 +522,9 @@ export function makeRumPublicApi(
     setUserProperty: monitor((key, property) => {
       const sanitizedProperty = sanitizeUser({ [key]: property })[key]
       userContextManager.setContextProperty(key, sanitizedProperty)
+
+      setUser(userContextManager.getContext())
+
       addTelemetryUsage({ feature: 'set-user' })
     }),
 
diff --git a/packages/rum-core/src/boot/startRum.ts b/packages/rum-core/src/boot/startRum.ts
index 1c6a96b87a..d43a536909 100644
--- a/packages/rum-core/src/boot/startRum.ts
+++ b/packages/rum-core/src/boot/startRum.ts
@@ -50,6 +50,7 @@ import type { CustomVitalsState } from '../domain/vital/vitalCollection'
 import { startVitalCollection } from '../domain/vital/vitalCollection'
 import { startCiVisibilityContext } from '../domain/contexts/ciVisibilityContext'
 import { startLongAnimationFrameCollection } from '../domain/longAnimationFrame/longAnimationFrameCollection'
+import { startSurveyCollection } from '../domain/voc/survey'
 import type { RecorderApi } from './rumPublicApi'
 
 export type StartRum = typeof startRum
@@ -124,6 +125,8 @@ export function startRum(
     startRumEventBridge(lifeCycle)
   }
 
+  const { setUser } = startSurveyCollection(lifeCycle)
+
   const domMutationObservable = createDOMMutationObservable()
   const locationChangeObservable = createLocationChangeObservable(configuration, location)
   const pageStateHistory = startPageStateHistory(configuration)
@@ -194,6 +197,7 @@ export function startRum(
   )
 
   return {
+    setUser,
     addAction,
     addError,
     addTiming,
diff --git a/packages/rum-core/src/domain/voc/survey.ts b/packages/rum-core/src/domain/voc/survey.ts
new file mode 100644
index 0000000000..a5d10bfa60
--- /dev/null
+++ b/packages/rum-core/src/domain/voc/survey.ts
@@ -0,0 +1,123 @@
+import type { Context, User } from '@datadog/browser-core'
+import { addEventListener, display, setTimeout } from '@datadog/browser-core'
+import type { RumPublicApi } from '../../boot/rumPublicApi'
+import { LifeCycleEventType, type LifeCycle } from '../lifeCycle'
+import { RumEventType } from '../../rawRumEvent.types'
+import type { VocConfig } from './trigger'
+import { initTriggers } from './trigger'
+
+interface BrowserWindow {
+  DD_RUM?: RumPublicApi
+}
+
+export function startSurveyCollection(lifeCycle: LifeCycle) {
+  const { getByAction, getByUserEmail } = initTriggers()
+  const triggeredSurveys = new Set<VocConfig>()
+
+  function openSurveys(triggers: VocConfig[]) {
+    for (const trigger of triggers) {
+      if (!triggeredSurveys.has(trigger)) {
+        openSurvey(trigger, savedSurvey)
+        triggeredSurveys.add(trigger)
+      }
+    }
+  }
+
+  function savedSurvey(payload: Context) {
+    ;(window as BrowserWindow).DD_RUM?.addAction('voc', payload)
+  }
+
+  lifeCycle.subscribe(LifeCycleEventType.RAW_RUM_EVENT_COLLECTED, (event) => {
+    if (event.rawRumEvent.type !== RumEventType.ACTION) {
+      return
+    }
+
+    openSurveys(getByAction(event.rawRumEvent.action.target.name))
+  })
+
+  return {
+    setUser: (user: User) => {
+      if (user.email) {
+        openSurveys(getByUserEmail(user.email))
+      }
+    },
+  }
+}
+
+function openSurvey(vocConfig: VocConfig, onSavedSurvey: (payload: any) => void) {
+  const iframe = createIframe()
+  iframe.onload = () => showIframe(iframe)
+  iframe.src = `http://localhost:8080/form.html?vocConfig=${encodeURIComponent(JSON.stringify(vocConfig))}`
+  document.body.appendChild(iframe)
+
+  // Add listener for close message from the iframe
+  addEventListener({ allowUntrustedEvents: true }, window, 'message', (event) => {
+    switch (event.data?.type) {
+      case 'dd-rum-close-survey':
+        closeIframe(iframe)
+        break
+      case 'dd-rum-survey-response':
+        onSavedSurvey(event.data.payload)
+        closeIframe(iframe)
+        break
+      case 'iframe-resize': {
+        const { width, height } = event.data.payload
+        iframe.style.width = `${width}px`
+        iframe.style.height = `${height}px`
+        break
+      }
+    }
+  })
+
+  showIframe(iframe)
+}
+
+function closeIframe(iframe: HTMLIFrameElement) {
+  if (!iframe) {
+    return
+  }
+  iframe.style.opacity = '0'
+  iframe.style.transform = 'translateX(320px)'
+
+  addEventListener(
+    { allowUntrustedEvents: true },
+    iframe,
+    'transitionend',
+    () => {
+      iframe.remove()
+    },
+    { once: true }
+  )
+}
+
+function showIframe(iframe: HTMLIFrameElement) {
+  if (!iframe) {
+    display.warn('Iframe not initialized. Call injectIframe() first.')
+    return
+  }
+  iframe.style.display = 'block'
+  setTimeout(() => {
+    iframe.style.opacity = '1'
+  }, 0) // Allow the display change to take effect
+}
+
+function createIframe() {
+  const iframe = document.createElement('iframe')
+  iframe.id = 'dd-rum-iframe'
+  Object.assign(iframe.style, {
+    position: 'fixed',
+    bottom: '20px',
+    right: '20px',
+    width: '300px',
+    height: '292px',
+    border: 'none',
+    display: 'none',
+    opacity: '0',
+    boxShadow: '0 4px 6px rgba(0, 0, 0, 0.1)',
+    transition: 'opacity 0.3s ease, transform 0.5s ease',
+    borderRadius: '10px',
+    zIndex: '10000',
+  })
+
+  return iframe
+}
diff --git a/packages/rum-core/src/domain/voc/trigger.ts b/packages/rum-core/src/domain/voc/trigger.ts
new file mode 100644
index 0000000000..656ba40911
--- /dev/null
+++ b/packages/rum-core/src/domain/voc/trigger.ts
@@ -0,0 +1,48 @@
+import { display, getCookie } from '@datadog/browser-core'
+
+interface VocConfigBase {
+  name: string
+  description: string
+  type: 'free-text' | 'scale'
+  triggerActionName: string
+  trackedUserEmails: string[]
+  excludedUserEmails?: string[]
+  sampleRate?: number
+}
+
+interface VocConfigFreeText extends VocConfigBase {
+  type: 'free-text'
+  question: string
+}
+
+interface VocConfigScale extends VocConfigBase {
+  type: 'scale'
+  question: string
+  range: { min: { label: string; value: number }; max: { label: string; value: number } }
+}
+
+export type VocConfig = VocConfigFreeText | VocConfigScale
+
+export function initTriggers() {
+  const triggers = getTriggers()
+  return {
+    getByAction: (actionName: string) => triggers.filter((trigger) => trigger.triggerActionName === actionName),
+    getByUserEmail: (email: string) => triggers.filter((trigger) => trigger.trackedUserEmails.includes(email)),
+  }
+}
+
+export function getTriggers(): VocConfig[] {
+  const config = getCookie('_dd_s_voc')
+  if (!config) {
+    return []
+  }
+
+  try {
+    // Decode the cookie value and parse it as JSON
+    const cookieValue = decodeURIComponent(config)
+    return JSON.parse(cookieValue) as VocConfig[]
+  } catch (error) {
+    display.error('Failed to parse cookie _dd_s_voc as JSON:', error)
+    return []
+  }
+}