Simply add the web block Timeline in your apps screen and pass the parameters.

Parameters:

• ItemList - list of the events you need to show in the timeline;
• ItemGroupList - list of the groups that aggregate the events;
• HideToolbar - if True the toolbar will not be displayed;
• Option - Record with additional options that you can pass to the timeline;

Event:

• SendItemId - Is an event that will return the selected ItemId;