How to create the Flexfields on Internal Helpdesk

Summary:

Requirement is to create additional fields on the Internal Helpdesk Redwood screen.

1) Can this be accomplished without using VB studio (preferred)?

2) Can we hide a field without using Visual Studio?

Content (please ensure you mask any confidential information):

We wish to capture the 'Requested Completion Date' for the Internal Helpdesk (used as the Maintenance Work Request).

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):