> For the complete documentation index, see [llms.txt](https://docs.gallabox.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.gallabox.com/bots/bot-utilities/set-variable.md). # Set Variable > **Who can use this Card?** > > * Gallabox Users having permission to either build and deploy bots or manage bots. > * Available on all paid plans. ### Overview Imagine **Variable** as a box, which can be named and you can store "things". In this scenario, "*things*" are values (numbers, texts, dates, etc...). **Set Variable** is a powerful block that allows you to create, select format, and set a value to a variable. To use the card, select it from utilities.

{% hint style="info" %} Learn more about the concept of a [variable](https://www.tynker.com/blog/how-to-teach-variables-to-kids/) from this article. {% endhint %} ### Setting a Variable You can select a variable that already exists or create a new one.

{% hint style="info" %} Variable name should start with alphabet; Cannot have special characters except underscore (\_). {% endhint %} Just type the name, select the format, and click on "create".

When it comes to selecting the format of the variable, you have 6 formats to choose from. * Text * Number * Boolean * Date * Object * Array ### Typing the Value You can type the value you want to give to the variable. You can also make it depend on other variable values. In the below screenshot, we have named the variable as **phone\_book** and made the value dependent on other variable as **recipient.phone**.