> For the complete documentation index, see [llms.txt](https://docs.pentaho.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pentaho.com/pba-report-designer/attributes-reference-cp-prd/table-of-contents-prd-attributes.md).

# 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 (,).                                                                                                                                                                                                                                                                                              |


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