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

# Taggings Overview

> Overview of tagging resource and field definitions

Taggings represent the connection of a `tag` to a `transaction` by a user.

Tags can only be created and managed by end users through MX's widgets or mobile platform.

## Tagging Fields

| Field name                  | Data type | Description                                                                                                                                                                                                                                 |
| :-------------------------- | :-------- | :------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| `guid`                      | String    | Unique identifier for the tagging. Defined by MX.                                                                                                                                                                                           |
| `member_is_managed_by_user` | Boolean   | If the member the tagging belongs to is managed by the user, this field will be true. Otherwise, the member is managed by the MX partner and this field will be false. Members created with Nexus are considered to be managed by the user. |
| `tag_guid`                  | String    | Unique identifier for the tag. Defined by MX.                                                                                                                                                                                               |
| `transaction_guid`          | String    | Unique identifier for the transaction. Defined by MX.                                                                                                                                                                                       |
| `user_guid`                 | String    | Unique identifier for the user. Defined by MX.                                                                                                                                                                                              |