diff --git a/deadlock-plugins/deadlock-extension/src/core/keycloakOAuth2DeviceFlowConnection.test.ts b/deadlock-plugins/deadlock-extension/src/core/keycloakOAuth2DeviceFlowConnection.test.ts
index 9fc4ee9197306227403f301ea83876b901b7d5f9..f845dc543be0074c135d6eb8673d8e2166467a1b 100644
--- a/deadlock-plugins/deadlock-extension/src/core/keycloakOAuth2DeviceFlowConnection.test.ts
+++ b/deadlock-plugins/deadlock-extension/src/core/keycloakOAuth2DeviceFlowConnection.test.ts
@@ -1,12 +1,42 @@
+import { log } from 'recorder/utils';
 import KeycloakOAuth2DeviceFlowConnection from './keycloakOAuth2DeviceFlowConnection';
 
+/**
+ * Maybe temporary file ?\
+ * This class shows how to use KeycloakOAuth2DeviceFlowConnection.\
+ * It is currently based on dev.deadlock instance\
+ * but there are only some urls to change for further testings.
+ *
+ */
 export default class KeycloakOAuth2DeviceFlowConnectionTest {
 	public connection: KeycloakOAuth2DeviceFlowConnection;
 	constructor() {
+		log(' --- KeycloakOAuth2DeviceFlowConnectionTest --- ');
 		this.connection = new KeycloakOAuth2DeviceFlowConnection(
 			'https://auth.dev.deadlock.io/auth/realms/Deadlock/protocol/openid-connect/auth/device',
 			'https://auth.dev.deadlock.io/auth/realms/Deadlock/protocol/openid-connect/token',
 		);
 	}
-	public run(): void {}
+
+	/**
+	 * Simple working examples
+	 */
+	public async run() {
+		const openLinkPlaceholder = (link: string) => {
+			log(`click here: ${link}`);
+		};
+
+		let tokens = await this.connection.getToken({ openLink: openLinkPlaceholder });
+		console.log('tokens', tokens);
+		if (!tokens?.refreshToken) {
+			console.log("refresh token doesn't exist");
+			return;
+		}
+
+		let refreshedTokens = await this.connection.getToken({
+			refreshToken: tokens.refreshToken,
+			openLink: openLinkPlaceholder,
+		});
+		console.log('refreshed tokens', refreshedTokens);
+	}
 }