Category
On the Event Message Categories form, define the message categories that will be available to event designers, for example: Order Approval, Expense Report, Time Off Request, System Broadcast, and so on. You can specify the category as metadata that includes a translatable string, for example FORMAT(sTask). In that case, the Translated Category field displays the translated string in the currently selected language.
On the Send Message form, specify an existing category when creating a message.
On the Inbox and Saved Messages forms, specify an existing category to filter messages by that category.