Yes, you have to populate the condition part. You can create an always true condition as a workaround (true == true).

Fyi this is fixed in 8.2.2. Release notes mention: Streamlined business rule setup. "Dynamic filter" and "Set value" business rules no longer need conditions to work

Hello!

In 8.2 you can use Attachments component in Freedom UI:

https://academy.creatio.com/docs/8.x/no-code-customization/customization-tools/ui-and-business-logic-customization/element-setup-examples/components/set-up-an-attachments-component

Regards, 
Anton

Check out this CustomerFX article, Using the new Multiselect Control in Creatio 8.2.1 and Higher | Customer FX.

There have been some improvements to the control in the 8.2.2 release, 8.2.2 Energy changelog | Creatio Academy.

See also, New Multi Lookup Select Component in Creatio Freedom UI Usage and Workaround | Community Creatio.

Hello,

Currently, the progress bar element in the DCM stage does not support tooltips. However, you can provide guidance to employees by setting up playbook articles, which help them complete their tasks effectively.
For more details, please refer to the Set up playbook articles | Creatio Academy article.