It is possible to add a tool tip text on a field within a ScreenDefinition?
CA ALC v3.x, all platforms
Currently there is no way to add tooltips to your fields in the screen definitions in ALC.
If you would like to have this feature considered as an enhancement request, you should check to see if this suggestion has been posted as an idea on the communities website. If you find the idea out there you should vote on it. If not, please consider posting the idea.