> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zeotap.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Edit a Catalogue Field

> Refer to the below table to understand the editable and non-editable fields after a field is already added to your organisation's catalogue.

| **FIELD TYPE**                                                    | **FIELD NAME**                                                           | **EDITABLE**                                                                                                                              |
| :---------------------------------------------------------------- | :----------------------------------------------------------------------- | :---------------------------------------------------------------------------------------------------------------------------------------- |
| [Basic](/articles/unify-customer/understand-the-basic-fields)     | Source Field Name                                                        | No                                                                                                                                        |
| [Basic](/articles/unify-customer/understand-the-basic-fields)     | Catalogue Field Name                                                     | No                                                                                                                                        |
| [Basic](/articles/unify-customer/understand-the-basic-fields)     | Category. [Learn more](/articles/unify-customer/categories-in-catalogue) | No                                                                                                                                        |
| [Basic](/articles/unify-customer/understand-the-basic-fields)     | Data Type                                                                | No                                                                                                                                        |
| [Basic](/articles/unify-customer/understand-the-basic-fields)     | Raw PII                                                                  | No                                                                                                                                        |
| [Advance](/articles/unify-customer/understand-the-advance-fields) | Group Name                                                               | Yes - before the respective category field is added to the Catalogue<br /><br />No - after the respective field is added to the Catalogue |
| [Advance](/articles/unify-customer/understand-the-advance-fields) | TTL. [Learn more](/articles/unify-customer/time-to-live)                 | Yes                                                                                                                                       |
| [Advance](/articles/unify-customer/understand-the-advance-fields) | No. of IDs                                                               | Yes                                                                                                                                       |