A Workflow action to setup one or more reminders in Due to buy birthday gifts for upcoming birthday events in my Calendar. Requires: Workflow 1.0, Due 1.9, and Launch Center Pro 2.1.

WorkflowBirthdayGiftReminders

Get Upcoming Events: 20
Choose from List:
    Select Multiple: Yes
Repeat with Each
    Set Variable: event
    Get Name
    Set Variable: eventName
    Get Variable: event
    Get Start Date
    Format Date:
        Date Format: Long
        Time Format: None
    Text:
        Buy Gifts for [eventName] at [Input] 6 AM
    Copy to Clipboard
    URL:
        launch://x-callback-url/clipboard/convert?format=urlencode
    Open x-callback-url
    URL:
        due://x-callback-url/add?title=[Clipboard]
    Open x-callback-url
End Repeat