CustomField.RollupType property

Office 2013 and later

Gets or sets the way that the custom field rolls up to summary tasks.

Namespace:  Microsoft.ProjectServer.Client
Assembly:  Microsoft.ProjectServer.Client (in Microsoft.ProjectServer.Client.dll)

public CustomFieldRollupType RollupType { get; set; }

Property value

Type: Microsoft.ProjectServer.Client.CustomFieldRollupType
The type of custom field rollup.

For example, if a task custom field is of type NUMBER, and the RollupType is CustomFieldRollupType.Average, then a custom field in a summary task will contain the average value of that custom field in all subtasks.