How add a custom banner in Cognos Analytics

Product:
Cognos Analytics 11.1.x
Microsoft Windows server 2019

Problem:
How alert Cognos users about a important change?

Solution:
Add a banner that show when the user login to Cognos Connection portal.

Log in to Cognos Analytics as a administrator and click on Manage.

Click on Configuration.

Click on System.

Scroll down to Advance Settings, and fill in values for Custom settings.
Add Key: Glass.enableBanner and as Value, true. Click Apply button.

Repeat for your message text.
Add Key: Glass.bannerMessage and as Value, Your Message!!. Click Apply button.

Log out and in to Cognos Analytics to see the result.

You can click the X on the right to remove the message for this session.

More information:
https://www.atlanticcognosanalytics.com/post/what-s-new-in-cognos-11-1-4-new-welcome-screen
https://www.ibm.com/support/pages/apar/PH18436

Creating and Setting a Default Welcome Page for Cognos Analytics 11.0.4+

https://www.ibm.com/support/knowledgecenter/SSEP7J_11.1.0/com.ibm.swg.ba.cognos.ag_manage.doc/c_ag_cust_extensions.html#cust_sample_extensions