# Process data

> The **Process data** dashboard enables you to analyze purchase order items and/or purchase order item events on the lowest level.

## Introduction

The **Process data** dashboard enables you to analyze purchase order items and/or purchase order item events on the lowest level.

## Purchase order items

The **Purchase order items** tab displays a list of all purchase order items within a selected period and their properties.

Each row represents a purchase order item related to a certain purchase order.

See the illustration below.

![docs image](https://dev-assets.cms.uipath.com/assets/images/process-mining/process-mining-140019-5b0c9b30.webp)

:::note
The **Purchase order item ID** column cannot be hidden.
:::

### Selecting Display Columns

Follow these steps to change the visible columns.

1. Click on ![docs image](https://dev-assets.cms.uipath.com/assets/images/process-mining/process-mining-columns_button.PNG-add6686e.webp) **Columns** to display the list of columns.
2. Select the columns you want to display in the selected **Process data** dashboard.

:::note
Thee **Purchase order item ID**, **Activity**, and **Event end** columns cannot be hidden.
:::

See the illustration below.

![docs image](https://dev-assets.cms.uipath.com/assets/images/process-mining/process-mining-82314-36bc56e1.webp)

## Purchase order item end to end events

The **Purchase order item end to end events** tab displays a list of all events, within a selected period, and their properties. Each row represents an event related to a purchase order item. See the illustration below.

![docs image](https://dev-assets.cms.uipath.com/assets/images/process-mining/process-mining-140023-fc3f78b1.webp)

:::note
The **Purchase order item ID**, **Activity**, and **Event end** columns cannot be hidden.
:::

### Event throughput time

The throughput time of the event is taken as the time between two **event end** timestamps that follow each other. The throughput time for the event is indicated in the column **Event throughput time**.

## Viewing Case details

The ![docs image](https://dev-assets.cms.uipath.com/assets/images/process-mining/process-mining-details_icon_cloud.png-3e82333d.webp) in front of a row enables you to view the details of a selected purchase order item. See the illustration below for an example.

![docs image](https://dev-assets.cms.uipath.com/assets/images/process-mining/process-mining-14481-26dbef85.webp)

The KPIs displayed on top of the **Case details** page are the same as the columns selected in the parent **Process details** page.