add business rule

Versión 7.9.17
Sugar Versión 6.5.25

I would like to know how I can add business rules to certain pages when adding data.

a travel functionality of the CRM.

These business rules would have to affect a form, at the time of inserting certain data said rules should be activated and show or hide certain information, do worflows have this capacity?

If so, they will have some source that I can consult or an example that can guide me.

A simple google search provides plenty of samples on this topic.

Start by reading the documentation:

Here is a sample: