Example of preferences we enforce via profile in our MDM

com.google.Chrome.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>ExtensionSettings</key>
	<dict>
		<!-- uBlock Origin -->
		<key>cjpalhdlnbpafiamejdnhcphjbkeiagm</key>
		<dict>
			<key>installation_mode</key>
			<string>force_installed</string>
			<key>update_url</key>
			<string>https://clients2.google.com/service/update2/crx</string>
		</dict>
		<!-- Search Manager -->
		<key>bahkljhhdeciiaodlkppoonappfnheoi</key>
		<dict>
			<key>installation_mode</key>
			<string>blocked</string>
			<key>update_url</key>
			<string>https://clients2.google.com/service/update2/crx</string>
		</dict>
	</dict>
	<key>ManagedBookmarks</key>
	<array>
		<dict>
			<key>name</key>
			<string>Org Website</string>
			<key>url</key>
			<string>https://yourorg.org</string>
		</dict>
		<dict>
			<key>name</key>
			<string>A link</string>
			<key>url</key>
			<string>https://mastersny.myschoolapp.com</string>
		</dict>
    <!-- Folder of additional links in Managed Bookmarks -->
		<dict>
			<key>children</key>
			<array>
				<dict>
					<key>name</key>
					<string>A link in a folder</string>
					<key>url</key>
					<string>https://yourlink.com</string>
				</dict>
				<dict>
					<key>name</key>
					<string>Another link!</string>
					<key>url</key>
					<string>https://yourotherlink.com</string>
				</dict>
			</array>
			<key>name</key>
			<string>A bookmark folder name</string>
		</dict>
	</array>
</dict>
</plist>