# HOW TO GUIDES

- [How to Handle Attachments](/unifi/3.1/how-to-guides/how-to-handle-attachments.md): Follow this guide to learn how to configure a dedicated Message in Unifi to handle streamed attachments.
- [Message](/unifi/3.1/how-to-guides/how-to-handle-attachments/message.md): The AddAttachment Message will be used to process inbound and outbound attachments.
- [Scripted REST Resource](/unifi/3.1/how-to-guides/how-to-handle-attachments/scripted-rest-resource.md): Unifi will automatically generate the Scripted REST Resource to cater for inbound streaming.  If using a Resource created on a release prior to v3.0 this will need to be updated manually.
- [Test AddAttachment](/unifi/3.1/how-to-guides/how-to-handle-attachments/test-addattachment.md): Follow these steps to test the AddAttachment Message.
- [How to Setup an OAuth Connection](/unifi/3.1/how-to-guides/how-to-setup-an-oauth-connection.md): Follow this guide to learn how to setup an OAuth Connection in Unifi.
- [Identity Provider Instance](/unifi/3.1/how-to-guides/how-to-setup-an-oauth-connection/identity-provider-instance.md): These are the configuration changes to be made in the identity provider instance when setting up an OAuth Connection.
- [Identity Consumer Instance](/unifi/3.1/how-to-guides/how-to-setup-an-oauth-connection/identity-consumer-instance.md): These are the configuration changes to be made in the identity consumer instance when setting up an OAuth Connection.