You can display custom fields in Workshop.
To see any custom field in Workshop, the Show in Workshop check box must be selected next to the field in Custom Fields Manager.

• To show fields as columns in Job Finder or Job Manager, perform any of the following actions:
  • To show a job-level field in Job Finder, select View > Visible Columns, and select the custom fields that you want to see in Job Finder.
  • To show an element-level field in Job Manager, select View > Visible Columns, and select the custom fields that you want to see in the appropriate pane in Job Manager.
    For example, select the Pages pane, select View > Visible Columns, and select the custom fields that you want to see in the Pages pane in Job Manager. 
    Tip: Use the Select All and Deselect All buttons if you must select or clear a large number of fields.
• To view fields for a specific job or element, perform any of the following actions:
  • To view the information in a job-level field from Job Finder, right-click a job, and select Get Info.
  • To view the information in a job-level field from Job Manager, right-click the job  button, and select Get Info.
  • To view the information in an element-level field from Job Manager, right-click an element, and select Get Info.
    For example, right-click a page in the Pages pane, select Get Info, and look for the field in the Custom Fields area of the Get Info dialog box.