About reminders and workflow task dates
When you set up the default alert subscriptions, for project workflow tasks you can send notifications that are based on the target dates, the forecast dates, or both. On the Default Alert Subscriptions page, the section for Projects | Reminders includes these alerts that are based on project target dates:
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These alerts are based on forecast dates:
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You configure notification properties to set the number of days for each type of alert. See About reminders.