# Conditional content
Conditional content blocks let you control who can see a given block of content on your page based on user data and variables. These variables can be passed in via cookies, feature flags, authenticated access, or URL parameters.
### Create conditional content
To add a conditional block, begin a new line in the editor, type /, then select **Conditional content**.
After inserting the block, click the red condition badge in the top right of the block.
Clicking this will allow you to add a condition through the [condition editor](https://gitbook-v2-q67etdj25-gitbook.vercel.app/url/gitbook.com/docs/publishing-documentation/adaptive-content/adapting-your-content#working-with-the-condition-editor). You’ll be able to write your condition as an [expression](https://gitbook.com/docs/creating-content/variables-and-expressions) that will run against data defined in your site. You can reference data from [variables](https://gitbook-v2-q67etdj25-gitbook.vercel.app/url/gitbook.com/docs/creating-content/variables-and-expressions), or data coming from visitors through their [claims](https://gitbook-v2-q67etdj25-gitbook.vercel.app/url/gitbook.com/docs/publishing-documentation/adaptive-content/enabling-adaptive-content#set-your-visitor-schema).
See [adaptive content](https://gitbook-v2-q67etdj25-gitbook.vercel.app/url/gitbook.com/docs/publishing-documentation/adaptive-content) for more details.
### Example
The examples below use a URL parameter linked from the button to control which conditional content block is visible.
{% if visitor.claims.unsigned.example\_attribute\_A %}
This block is only visible to users **with** attribute A.
View without attribute A
{% endif %}
{% if !visitor.claims.unsigned.example\_attribute\_A %}
This block is only visible to users **without** attribute A.
View with attribute A
{% endif %}
## Representation in Markdown
```markdown
## Example
{% if visitor.claims.unsigned.example_attribute_A %}
This block is only visible to users **with** attribute A.
View without attribute A
{% endif %}
{% if !visitor.claims.unsigned.example_attribute_A %}
This block is only visible to users **without** attribute A.
View with attribute A
{% endif %}
```
