> For the complete documentation index, see [llms.txt](https://renownedgames.gitbook.io/ai-tree/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://renownedgames.gitbook.io/ai-tree/integrations/playmaker/set-blackboard-key.md).

# Set Blackboard Key

Action description and basic instructions

Find key from blackboard by name and set it value from PlayMaker variable.

To add this state open **Action Browser** and double click on

* <mark style="color:purple;">**AI Tree/Set Blackboard Key**</mark>

This action has a number of fields, that are highlighted in picture below.

<figure><img src="https://2203000093-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FGOxTM7Aj9oiVaIINrEkE%2Fuploads%2FcD1Vm49MIXPy0NXCbCtc%2FSetBlackboardKey.png?alt=media&amp;token=46046f48-7699-4329-b622-5e1ca4c04f96" alt=""><figcaption><p>Set Blackboard Key action</p></figcaption></figure>

### Fields

<table><thead><tr><th width="257">Name</th><th>Description</th></tr></thead><tbody><tr><td>Target</td><td>Object variable of Behaviour Runner target.</td></tr><tr><td>Key Name</td><td>Name of key in blackboard.</td></tr><tr><td>Type</td><td>Type of key and variable to find and store it.</td></tr><tr><td>Value</td><td>PlayMaker variable to set in blackboard key.</td></tr></tbody></table>

{% hint style="info" %}
Target can be a direct link to a Behaviour Runner component, or a game object with a Behaviour Runner component.
{% endhint %}