diff --git a/custom_components/frigate/camera.py b/custom_components/frigate/camera.py
index e22cf2ae..1d18b952 100644
--- a/custom_components/frigate/camera.py
+++ b/custom_components/frigate/camera.py
@@ -7,13 +7,16 @@
 import aiohttp
 import async_timeout
 from jinja2 import Template
+import voluptuous as vol
 from yarl import URL
 
+from custom_components.frigate.api import FrigateApiClient
 from homeassistant.components.camera import Camera, CameraEntityFeature
 from homeassistant.components.mqtt import async_publish
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_URL
 from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers import entity_platform
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -28,10 +31,14 @@
     get_frigate_entity_unique_id,
 )
 from .const import (
+    ATTR_CLIENT,
     ATTR_CONFIG,
+    ATTR_EVENT_ID,
+    ATTR_FAVORITE,
     CONF_RTMP_URL_TEMPLATE,
     DOMAIN,
     NAME,
+    SERVICE_FAVORITE_EVENT,
     STATE_DETECTED,
     STATE_IDLE,
 )
@@ -45,10 +52,13 @@ async def async_setup_entry(
     """Camera entry setup."""
 
     frigate_config = hass.data[DOMAIN][entry.entry_id][ATTR_CONFIG]
+    frigate_client = hass.data[DOMAIN][entry.entry_id][ATTR_CLIENT]
 
     async_add_entities(
         [
-            FrigateCamera(entry, cam_name, frigate_config, camera_config)
+            FrigateCamera(
+                entry, cam_name, frigate_client, frigate_config, camera_config
+            )
             for cam_name, camera_config in frigate_config["cameras"].items()
         ]
         + [
@@ -57,6 +67,14 @@ async def async_setup_entry(
         ]
     )
 
+    # setup services
+    platform = entity_platform.async_get_current_platform()
+    platform.async_register_entity_service(
+        SERVICE_FAVORITE_EVENT,
+        {vol.Required(ATTR_EVENT_ID): str, vol.Required(ATTR_FAVORITE): bool},
+        SERVICE_FAVORITE_EVENT,
+    )
+
 
 class FrigateCamera(FrigateMQTTEntity, Camera):  # type: ignore[misc]
     """Representation a Frigate camera."""
@@ -65,10 +83,12 @@ def __init__(
         self,
         config_entry: ConfigEntry,
         cam_name: str,
+        frigate_client: FrigateApiClient,
         frigate_config: dict[str, Any],
         camera_config: dict[str, Any],
     ) -> None:
         """Initialize a Frigate camera."""
+        self._client = frigate_client
         self._frigate_config = frigate_config
         self._camera_config = camera_config
         self._cam_name = cam_name
@@ -214,6 +234,10 @@ async def async_disable_motion_detection(self) -> None:
             False,
         )
 
+    async def favorite_event(self, event_id: str, favorite: bool) -> None:
+        """Favorite an event."""
+        await self._client.async_retain(event_id, favorite)
+
 
 class FrigateMqttSnapshots(FrigateMQTTEntity, Camera):  # type: ignore[misc]
     """Frigate best camera class."""
diff --git a/custom_components/frigate/const.py b/custom_components/frigate/const.py
index 3b2bf8c9..923dafd8 100644
--- a/custom_components/frigate/const.py
+++ b/custom_components/frigate/const.py
@@ -33,10 +33,12 @@
 
 # Attributes
 ATTR_CLIENT = "client"
+ATTR_CLIENT_ID = "client_id"
 ATTR_CONFIG = "config"
 ATTR_COORDINATOR = "coordinator"
+ATTR_EVENT_ID = "event_id"
+ATTR_FAVORITE = "favorite"
 ATTR_MQTT = "mqtt"
-ATTR_CLIENT_ID = "client_id"
 
 # Configuration and options
 CONF_CAMERA_STATIC_IMAGE_HEIGHT = "camera_image_height"
@@ -69,3 +71,6 @@
 STATUS_ERROR = "error"
 STATUS_RUNNING = "running"
 STATUS_STARTING = "starting"
+
+# Frigate Services
+SERVICE_FAVORITE_EVENT = "favorite_event"
diff --git a/custom_components/frigate/services.yaml b/custom_components/frigate/services.yaml
new file mode 100644
index 00000000..882f8dec
--- /dev/null
+++ b/custom_components/frigate/services.yaml
@@ -0,0 +1,20 @@
+---
+favorite_event:
+  name: Favorite Event
+  description: Favorites or unfavorites an event indefinitely.
+  target:
+  fields:
+    event_id:
+      name: Event ID
+      description: ID of the event to retain.
+      required: true
+      advanced: false
+      example: "1656510950.19548-ihtjj7"
+      default: ""
+    favorite:
+      name: Favorite
+      description: If the event should be favorited / unfavorited.
+      required: true
+      advanced: false
+      example: true
+      default: true
diff --git a/tests/test_camera.py b/tests/test_camera.py
index c1516c6b..098b882f 100644
--- a/tests/test_camera.py
+++ b/tests/test_camera.py
@@ -9,7 +9,14 @@
 import pytest
 from pytest_homeassistant_custom_component.common import async_fire_mqtt_message
 
-from custom_components.frigate.const import CONF_RTMP_URL_TEMPLATE, DOMAIN, NAME
+from custom_components.frigate.const import (
+    ATTR_EVENT_ID,
+    ATTR_FAVORITE,
+    CONF_RTMP_URL_TEMPLATE,
+    DOMAIN,
+    NAME,
+    SERVICE_FAVORITE_EVENT,
+)
 from homeassistant.components.camera import (
     DOMAIN as CAMERA_DOMAIN,
     SERVICE_DISABLE_MOTION,
@@ -302,3 +309,39 @@ async def test_cameras_setup_correctly_in_registry(
             TEST_CAMERA_FRONT_DOOR_PERSON_ENTITY_ID,
         },
     )
+
+
+async def test_retain_service_call(
+    hass: HomeAssistant,
+) -> None:
+    """Test retain service call."""
+    post_success = {"success": True, "message": "Post success"}
+
+    client = create_mock_frigate_client()
+    client.async_retain = AsyncMock(return_value=post_success)
+    await setup_mock_frigate_config_entry(hass, client=client)
+
+    event_id = "1656282822.206673-bovnfg"
+    await hass.services.async_call(
+        DOMAIN,
+        SERVICE_FAVORITE_EVENT,
+        {
+            ATTR_ENTITY_ID: TEST_CAMERA_FRONT_DOOR_ENTITY_ID,
+            ATTR_EVENT_ID: event_id,
+            ATTR_FAVORITE: True,
+        },
+        blocking=True,
+    )
+    client.async_retain.assert_called_with(event_id, True)
+
+    await hass.services.async_call(
+        DOMAIN,
+        SERVICE_FAVORITE_EVENT,
+        {
+            ATTR_ENTITY_ID: TEST_CAMERA_FRONT_DOOR_ENTITY_ID,
+            ATTR_EVENT_ID: event_id,
+            ATTR_FAVORITE: False,
+        },
+        blocking=True,
+    )
+    client.async_retain.assert_called_with(event_id, False)