Final answer:
To notify an individual when a task is at-risk, the project manager should create an alert set to notify the assigned person immediately.
Step-by-step explanation:
When a task becomes at-risk, the project manager can ensure that the individual assigned to the task is immediately notified by creating an alert. The correct answer among the given options is to create an alert to notify the assignee when a task is marked as at-risk. This alert should be configured to send notifications to the 'Assigned to' contact listed for the task. This mechanism allows for prompt communication and helps the team stay on track with project timelines by addressing potential issues quickly.
To achieve the goal of notifying the individual assigned to a task when it becomes at-risk, the project manager can use the option d. Create an alert to notify the assignee when a task is marked as at-risk and send the alert to the assigned to (Contact List column) right away. This can be done through project management software or tools that have built-in features for creating alerts and sending notifications.