foo.diff

diff --git i/browser/components/urlbar/UrlbarPrefs.sys.mjs w/browser/components/urlbar/UrlbarPrefs.sys.mjs
index 29df6877b0138..5b9cea35a1db8 100644
--- i/browser/components/urlbar/UrlbarPrefs.sys.mjs
+++ w/browser/components/urlbar/UrlbarPrefs.sys.mjs
@@ -272,6 +272,14 @@ const PREF_URLBAR_DEFAULTS = new Map([
   // weather suggestions are turned on.
   ["suggest.weather", true],
 
+  // Comma-separated list of `source.providers` combinations, that are used to determine if an exposure event should be fired.
+  // This is a fallback for a nimbus variable and should be set from nimbus experiment configuration.
+  ["quicksuggest.exposureProviders", ""],
+
+  // Comma-separated list of `source.providers` combinations, that are used to filter suggestions from being displayed.
+  // This is a fallback for a nimbus variable and should be set from nimbus experiment configuration.
+  ["quicksuggest.displayProviderFilter", ""],
+
   // JSON'ed array of blocked quick suggest URL digests.
   ["quicksuggest.blockedDigests", ""],
 
diff --git i/browser/components/urlbar/UrlbarProviderQuickSuggest.sys.mjs w/browser/components/urlbar/UrlbarProviderQuickSuggest.sys.mjs
index 1169cd4cd9c0a..89ce59a580df4 100644
--- i/browser/components/urlbar/UrlbarProviderQuickSuggest.sys.mjs
+++ w/browser/components/urlbar/UrlbarProviderQuickSuggest.sys.mjs
@@ -169,6 +169,19 @@ class ProviderQuickSuggest extends UrlbarProvider {
       return;
     }
 
+    // look at the source.provider combination and determine if we should fire an experiment exposure event.
+    if (this._checkExposureProvider(suggestion)) {
+      this._triggerExposureEvent(suggestion);
+    }
+
+    // Check if we've configured provider based filtering and drop the suggestion if we have.
+    // We don't check this in `_canAddSuggestion` because we care about suggestions that have
+    // already passed the scoring and filtering steps and would be shown.
+    if (this._checkProviderFilter(suggestion)) {
+      return;
+    }
+
+
     // Replace the suggestion's template substrings, but first save the original
     // URL before its timestamp template is replaced.
     let originalUrl = suggestion.url;
@@ -708,6 +721,32 @@ class ProviderQuickSuggest extends UrlbarProvider {
     return true;
   }
 
+  _checkExposureProvider(suggestion) {
+    this.logger.debug("Checking if suggestion should trigger exposure event")
+    const exposureProviders = lazy.UrlbarPrefs.get("quickSuggestExposureProviders");
+    if (exposureProviders) {
+      const providerLookup = `${suggestion.source}.${suggestion.provider}`
+      return exposureProviders.split(",")
+        .includes(providerLookup);
+    }
+  }
+
+  _triggerExposureEvent(suggestion) {
+    const provider = `${suggestion.source}.${suggestion.provider}`
+    Glean.urlbar.exposure.record({provider})
+    this.logger.debug(`Triggered exposure event for provider: ${provider}`)
+  }
+
+  _checkProviderFilter(suggestion) {
+    this.logger.debug("Checking if suggestion should filtered from display.")
+    const providerFilters = lazy.UrlbarPrefs.get("quickSuggestDisplayProviderFilter");
+    if (providerFilters) {
+      const providerLookup = `${suggestion.source}.${suggestion.provider}`
+      return providerFilters.split(",")
+        .includes(providerLookup);
+    }
+  }
+
   get _test_merino() {
     return this.#merino;
   }
diff --git i/browser/components/urlbar/metrics.yaml w/browser/components/urlbar/metrics.yaml
index 0588c9c8ddc44..7ec9c54085f74 100644
--- i/browser/components/urlbar/metrics.yaml
+++ w/browser/components/urlbar/metrics.yaml
@@ -333,3 +333,16 @@ urlbar:
     notification_emails:
       - [email protected]
     expires: never
+  exposure:
+    type: event
+    description: >
+      Recorded when client can be exposed to urlbar experiment results.
+    extra_keys:
+      provider:
+        description: Provider that triggered the exposure.
+        type: string
+    data_sensitivity:
+      - interaction
+    notification_emails:
+      - [email protected]
+    expires: never
diff --git i/browser/components/urlbar/private/RemoteSettingsClient.sys.mjs w/browser/components/urlbar/private/RemoteSettingsClient.sys.mjs
index d6f4cd2bd8a80..b04b46eefd88a 100644
--- i/browser/components/urlbar/private/RemoteSettingsClient.sys.mjs
+++ w/browser/components/urlbar/private/RemoteSettingsClient.sys.mjs
@@ -190,6 +190,7 @@ export class RemoteSettingsClient extends BaseFeature {
       source: "remote-settings",
       icon: icons.shift(),
       position: result.position,
+      provider: result.advertiser,
     }));
   }
 
diff --git i/toolkit/components/nimbus/FeatureManifest.yaml w/toolkit/components/nimbus/FeatureManifest.yaml
index b80e06dbf5ef0..4794220faff86 100644
--- i/toolkit/components/nimbus/FeatureManifest.yaml
+++ w/toolkit/components/nimbus/FeatureManifest.yaml
@@ -139,6 +139,16 @@ urlbar:
       type: int
       fallbackPref: browser.urlbar.merino.timeoutMs
       description: Timeout for Merino fetches (ms)
+    quickSuggestExposureProviders:
+      type: string
+      fallbackPref: browser.urlbar.quicksuggest.exposureProviders
+      description: >-
+        Comma-separated list of `source.providers` combinations, that are used to determine if an exposure event should be fired.
+    quickSuggestDisplayProviderFilter:
+      type: string
+      fallbackPref: browser.urlbar.quicksuggest.displayProviderFilters
+      description: >-
+        Comma-separated list of `source.providers` combinations, that are used to filter suggestions from being displayed.
     quickSuggestAllowPositionInSuggestions:
       type: boolean
       fallbackPref: browser.urlbar.quicksuggest.allowPositionInSuggestions