# Refreshing Master Segments

In Treasure Data Workflows **Data Workbench **>** Workflows**, a series of workflows are automatically generated to create and refresh the master segment data model. Data in the data model is refreshed according to the schedule that you define for the master segment or you can manually refresh it.

1. Open TD Console.
2. Navigate to **Data Workbench** > **Master Segments**
3. Select the Master Segment you want to refresh.


![](/assets/refreshing-master-segments-2024-06-11-1.8fd996b88794eaec62dad3fc16d541f60a84eac6d6faa2237b6fc19fa451eca9.142841d8.png)

1. The Master Segment details page opens. Select **Run**.


![](/assets/refreshing-master-segments-2024-06-11.2946854d86e69b195055c95c599e02fff1ca6bb188f1d38dc9fb05792032a105.142841d8.png)

1. To view workflow details, select **View History**.​


![](/assets/refreshing-master-segments-2024-05-31-1.6ca2476c6473d5793a2d78bb8b4088320c4b0a12e48d9776783908a99f3fe0e5.142841d8.png)