--- title: Request to exit button description: How to confiugure a (REX) request to exit button --- [Skip to content](https://help.alocity.com/knowledge/request-to-exit-button#main-content) English Show submenu for translations [SUBMIT A TICKET HERE](https://help.alocity.com/knowledge/kb-tickets/new?hsLang=en) [![Alocity](https://help.alocity.com/hs-fs/hubfs/alocity-logo%20Full.png?width=181&height=48&name=alocity-logo%20Full.png)](https://www.alocity.com/) Open main navigation Close main navigation - English Show submenu for translations - [SUBMIT A TICKET HERE](https://help.alocity.com/knowledge/kb-tickets/new) - [Contact Support Now](mailto:support@alocity.com) [Contact Support Now](mailto:support@alocity.com) Hello. How can we help you? - There are no suggestions because the search field is empty. 1. [Alocity Help Center (Knowledge Base)](https://help.alocity.com/knowledge?hsLang=en) 2. [Alocity Control Center Guide](https://help.alocity.com/knowledge/alocity-control-center-guide?hsLang=en) 3. [Access Control Management](https://help.alocity.com/knowledge/alocity-control-center-guide?hsLang=en#access-control-management) # Request to exit button ## How to confiugure a (REX) request to exit button If you are adding a request to exit (REX) button, here you can configure the settings. 1. Select Doors from the menu 2. Select the door/device from the list 3. Go to the Settings Tab 4. From the Exit button position dropdown list, select the following: 1. None- If no exit button will be used 2. Internal - If you are going to connect the REX button to the F3D100’s input. 3. External - if you are going to connect the REX button to the external Alocity I/O controller. 5. Next select the exit button contact type from the dropdown list. 1. Normally Open - Is a contact that does not flow current in its normal state. Energizing it and switching it on will close the contact, causing it to allow current flow. 2. Normally Closed - Is a contact that flows current in its normal state. Energizing it and switching it on will open the contact, causing it to not allow current flow. 6. 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