ZMWSLI0-SL2021-GR11/Projekt/MWSProjekt/Library/PackageCache/com.unity.visualscripting@1.6.1/Documentation~/vs-adding-variables.md

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#Adding variables
| **Note** |
| :----------------------------------------------------------- |
| For versions 2019/2020 LTS, download the visual scripting solution from the [Unity Asset Store](https://assetstore.unity.com/packages/tools/visual-bolt-163802). |
Variables are containers. Each variable has a name, a type, and a value. The value inside a variable can change during runtime.
###The Blackboard window
The blackboard window is opened via the blackboard (**<>**) button in the Script Graph window. It contains one tab per kind of variable. The graph tab is only enabled if a script graph is selected. The object tab is only enabled if a game object is selected.
![](images/VS-ScriptGraphBalckboardSelected.png)
To add a variable:
1. Choose the tab corresponding to the type of variable you want to add.
2. Type the name of the new variable in the New Variable Name field.
3. Click the **Add (+)** button.
4. Choose a type.
5. (Optional) Change the default value.