# Global

#### What

They act like constants in programming and are not tied to any contact or flow.

#### Why

Use them when you need a value that stays the same across all flows—for example, your company name, support email, or API key.\
\
**How to set up**

A fixed variable set in your Hoodle account settings. Settings > Global Variable\
<https://app.hoodleapp.com/settings/global-variable>

#### How to use

* Define the variable once in your Hoodle settings.
* Call it in your flows using `{{global.variableName}}`.
* Example: `{{global.companyName}}`

**Example**

If you create a global variable called `supportEmail = support@hoodleapp.com`,\
you can reuse it in multiple flows:

```
Need help? Contact us anytime at {{global.supportEmail}}
```
