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

# Create a Variable

> Create persistent Storage data that survives between runs.

The **Create a Variable** block lives in the **Variables & Data storage** palette category. Create persistent Storage data that survives between runs.

## What it does

Defines a new Storage variable with type, scope, and default value that persists across flow runs.

## Configuration

Open the block in the builder sidebar to configure these fields.

### `var_name`

**Type:** `string`. Required.

Letters, numbers, underscores. No dots.

### `var_type`

**Type:** `string`. Required.

Accepted values: `text`, `number`, `collection`, `object`.

### `var_partition`

**Type:** `string`.

Global shares one value everywhere; Server keeps separate values per guild. Accepted values: `global`, `per_server`.

### `var_subject`

**Type:** `string`.

Whether each user, channel, or role gets its own value. Accepted values: `none`, `user`, `channel`, `role`.

### `var_value`

**Type:** `string`.

Initial value.

| Scope             | Meaning                                     |
| ----------------- | ------------------------------------------- |
| Global + Shared   | One value for the entire bot                |
| Server + Per user | Each member has their own counter per guild |

## See also

* [Variables & Data storage](/builder/action-blocks/variables-and-data-storage) — Browse all blocks in the Variables & Data storage category.