# Table of contents

The following attributes belong to the **table-of-contents** property:

| Attribute Name      | Purpose                                                                                                                                       | Values                                                                                                                                                                                                                                                                                                                     |
| ------------------- | --------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| group-fields        | Defines both the depth of the data-collection and the fields from which to read the **group-value-X** values.                                 | If the group-field given in the array is empty, the field value will be read from the current relational group and in the details-processing, the value will be null. If the **group-fields** list is empty, an automatic mode is activated that collects all groups extracting the group-value from the relational group. |
| **title-field**     | Defines a field in the master-report that will be read for a valid **item-title**                                                             | Any column field or function                                                                                                                                                                                                                                                                                               |
| **title-formula**   | Defines a formula that is evaluated when a new item has been collected. The formula will only be evaluated if the **title-field** is not set. | Formula                                                                                                                                                                                                                                                                                                                    |
| **collect-details** | Defines, whether detail items should be included in the **data-collection**.                                                                  | Boolean; default is false. This attribute consumes a significant amount of system memory. Do not use this attribute on reports that are over a million rows.                                                                                                                                                               |
| **index-separator** | Defines the separator text that is used between the **index-elements**.                                                                       | String; default is comma (,).                                                                                                                                                                                                                                                                                              |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.pentaho.com/pba-report-designer/10.2-report-designer/attributes-reference-cp-prd/table-of-contents-prd-attributes.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.