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amundrisafylling edited this page Jul 17, 2026 · 3 revisions

Events allow you to display key dates and timeframes (such as project deadlines, plant shutdowns, or company vacations) that are important for all report viewers to know. Unlike standard milestones, these events are not tied to individual tasks and are drawn across the entire visual timeline.


How to Add Events and Event Ranges

Step 1: Enter Edit mode

Click the ellipsis (...) in the top-right corner of the Gantt visual container in Power BI and select Edit to open the visual's custom options menu.

Step 2: Open the Events editor

Select the Events options card in the edit workspace.

Step 3: Add single date events

To add a single-date indicator line (such as a project milestone or meeting date):

  1. Under the Events section, click the + (plus) sign.
  2. Enter a description for your event in the text box.
  3. Select the event date from the calendar dropdown.

Adding a single date event in the edit workspace

Step 4: Add event ranges

To define a period of time (such as holiday seasons or maintenance windows):

  1. Under the Event Ranges section, click the + (plus) sign.
  2. Enter an event range description.
  3. Select the Start date and End date for the period.
  4. Save your changes.

Adding an event date range description

Selecting start and end dates for an event range

Saving the configured event range


How to Customize Event Formatting

1. Format Pane Settings

You can style and position both single-date events and event ranges in the Format pane under the Event Marker and Event Range cards. You can customize line colors, border styles, label font settings, and transparency.

Formatting options for events in the Format pane

2. Set Layer Positioning

You can choose whether event markers and ranges display in front of or behind your taskbars:

  • Display behind taskbars (Default): Events are drawn in the background, ensuring they do not block tasks on the timeline.

Event ranges displayed behind taskbars

  • Display in front of taskbars: Events are drawn in the foreground over taskbars, making them highly visible.

Event ranges displayed in front of taskbars

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