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

# UDListHeadingLink table

> Heading link table for UDList, for MDO headers. Note - MDO mode for userdefinede lists are either turned on or off, you may not have it on for one userdefined list and off for the others.

## UDListHeadingLink Table (138)

Heading link table for UDList, for MDO headers. Note - MDO mode for userdefinede lists are either turned on or off, you may not have it on for one userdefined list and off for the others.

## Fields

| Name                      | Description                           | Type                            | Nullable |
| ------------------------- | ------------------------------------- | ------------------------------- | :------: |
| udlistheadinglink\_id     | Primary key                           | PK                              |    No    |
| udlist\_id                | Link to UDList list table             | FK [UDList](./udlist.mdx)       |    No    |
| heading\_id               | Link to Heading table                 | FK [Heading](./heading.mdx)     |    No    |
| registered                | Registered when                       | UtcDateTime                     |    No    |
| registered\_associate\_id | Registered by whom                    | FK [associate](./associate.mdx) |    No    |
| updated                   | Last updated when                     | UtcDateTime                     |    No    |
| updated\_associate\_id    | Last updated by whom                  | FK [associate](./associate.mdx) |    No    |
| updatedCount              | Number of updates made to this record | UShort                          |    No    |

<img src="https://mintcdn.com/superofficeas/i6M2qZmvMNH7UTeu/media/loc/en/database/tables/UDListHeadingLink.png?fit=max&auto=format&n=i6M2qZmvMNH7UTeu&q=85&s=67843fbe8c328fa7cf612f087838af36" alt="UDListHeadingLink table relationship diagram" width="663" height="660" data-path="media/loc/en/database/tables/UDListHeadingLink.png" />

## Indexes

| Fields      | Types | Description |
| ----------- | ----- | ----------- |
| udlist\_id  | FK    | Index       |
| heading\_id | FK    | Index       |

## Relationships

| Table                    | Description                                                                                                                                                                                                     |
| ------------------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [associate](./associate) | Employees, resources and other users - except for External persons                                                                                                                                              |
| [Heading](./heading)     | Heading items for all MDO lists, lists that are grouped and filtered.                                                                                                                                           |
| [UDList](./udlist)       | List table for user-defined lists, contains all user-defined lists. Note - MDO mode for userdefinede lists are either turned on or off, you may not have it on for one userdefined list and off for the others. |

## Replication Flags

* Replicate changes DOWN from central to satellites and travellers.
* Replicate changes UP from satellites and travellers back to central.
* Copy to satellite and travel prototypes.

## Security Flags

* No access control via user's Role.


## Related topics

- [SourceHeadingLink table](/en/database/tables/sourceheadinglink.md)
- [CreditedHeadingLink table](/en/database/tables/creditedheadinglink.md)
- [ReasonHeadingLink table](/en/database/tables/reasonheadinglink.md)
- [ComptrHeadingLink table](/en/database/tables/comptrheadinglink.md)
- [CurrencyHeadingLink table](/en/database/tables/currencyheadinglink.md)
- [CategoryHeadingLink table](/en/database/tables/categoryheadinglink.md)