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# Change the state of text input components based on the checkbox selection
You can control a form component using other components in your model. For example, if you have **Disable** checkbox, you can control your **First Name** component by establishing an expressions connected to the checkboxe. You can configure your fields so that if the **Disable** checkbox is selected, then the **First Name** component is disabled by using the expression `{{!disable}}` for the **Enabled** rendering property of the **First Name** component.
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