YouTube Complication Setup

In order to set up the YouTube Complication, you need an API key for YouTube, and the channel you want to show the subscriber count for's Channel ID. Both of these are free and easy to get.

API Key

1. Open the Google Developer Console at https://console.cloud.google.com/
2. Select "Create Project"

3. Enter a Project Name of your choice, this guide will be using "YouTube for Smartspacer", and click Create.

4. Open the hamburger menu if it is not already open and select APIs and services > Library

5. Search for "YouTube Data API v3" and click the result

6. Click "Enable", you will be redirected to a page with a bunch of details on it

7. Click "Credentials" on the left hand side

8. Click "Create Credentials" at the top and select "API key"

9. A dialog will appear containing a long string starting with "AIza". This is your API key. Copy it.

10. Paste this API key into the settings for the YouTube Complication for Smartspacer as required, and save. You can now close the Google Developer Console tab.

Channel ID

Desktop

1. Navigate to the channel you want to get the ID for
2. Select the About tab
3. Click the share icon, and then "Copy channel ID"

4. Paste the channel ID into the YouTube Complication for Smartspacer as required and save. The UI should update to show the information for the channel you have selected

App

1. Navigate to the channel you want to get the ID for
2. Open the options menu and select Share

3. From the share sheet, select Copy Link

4. Open a browser of your choice, paste the link and go to it
5. Follow the Desktop steps above, from step 2. You may need to enable desktop mode in your browser to get the desktop UI.