DOCS-3779: Add more detailed webcam discovery service instructions

docs/operate/reference/components/camera/webcam.md

@@ -32,7 +32,7 @@ Enter a name or use the suggested name for your camera and click **Create**.
 
 Edit and fill in the attributes as applicable.
 Leave the **video_path** blank and the camera will use the default video path for your machine.
-If this doesn't work when you test your camera later, you can try a different video path by following the prompt in the Viam app to add a [webcam discovery service](https://app.viam.com/module/rand/find-webcams) and identify path options.
+If this doesn't work when you test your camera later, you can try [configuring a video path](#using-video_path).
 
 {{% /tab %}}
 {{% tab name="JSON Template" %}}
@@ -99,6 +99,32 @@ The following attributes are available for `webcam` cameras:
 
 ## Using `video_path`
 
+### Find a video path using a discovery service in the Viam app
+
+The [`rand:find-webcams:webcam-discovery`](https://github.com/randhid/find-webcams) service helps you identify path options.
+To add and use the service:
+
+1. In the Viam app, navigate to the **CONFIGURE** tab of your machine's page.
+1. Click the **+** icon next to your machine part in the left-hand menu and select **Service**.
+1. Search for `find-webcams` and select the `discovery / find-webcams:webcam-discovery` service.
+1. Click **Add module**.
+1. Enter a name or use the suggested name for your camera and click **Create**.
+1. Save your configuration, and wait a moment for the service to start.
+1. Click **Test** to see the available `video_path`s.
+
+   {{<imgproc src="/components/camera/webcam-discovery-test.png" alt="The test panel for the find-webcams service." resize="1100x" style="max-width:600px" class="shadow imgzoom" >}}
+
+1. Click the **Copy attributes** button for the camera you want to use.
+1. Click the **{}** icon in the upper right corner of the camera component configuration.
+
+   {{<imgproc src="/components/camera/advanced-config.png" resize="x1100" declaredimensions=true alt="The switch to advanced button in the Viam app." style="max-width:200px" class="shadow" >}}
+
+1. Paste the copied attributes.
+1. Click **Save**.
+1. You can now delete the discovery service and the module that provides it from your machine.
+
+### Find a video path using the command line
+
 To list available `video_path`s use the following command:
 
 {{< tabs name="Find video devices" >}}

docs/operate/reference/services/discovery/_index.md

@@ -30,6 +30,8 @@ Users of your module can then:
 1. Create a camera with the copy-pasteable configuration snippet for the camera they want to use, with the camera path already filled in.
 1. Use the configured camera in their vision service configuration.
 
+To see this in action, see [webcam discovery](/operate/reference/components/camera/webcam/#find-a-video-path-using-a-discovery-service-in-the-viam-app) as an example.
+
 To interact with a discovery service programmatically, use the [discovery service API](/dev/reference/apis/services/discovery/).
 
 ## Configuration