When CloudFiles fires an event, you can either intercept it using a custom object record triggered flow or a platform event flow. You need to ensure the correct mode is selected and then create a flow accordingly to intercept the event. Refer to the sections below.

To ensure that you are setup with the correct approach, head over to the CloudFiles App Launcher > Settings Tab on Top > CloudFiles Event Mode section. Selecting the 'Custom Object' setting lets CloudFiles creates custom objects which can be used for record triggered flows.

Once you have the correct setting selected, use one of the following articles to start setting up the flow(s).

CloudFiles can create custom object records in your Salesforce when events occur. You can use simple record triggered flows on the CloudFiles Event custom object. This is the default behaviour and the recommended approach. Use the article on Custom Object Mode Flow Setup to setup the flow for this mode. Here's a snapshot of how this flow looks.

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CloudFiles also fires platform events into your Salesforce when events occur. These can be intercepted using the Salesforce Platform Events Flow feature. This approach is harder to debug and hence not recommended. Use the article on Platform Event Mode Flow Setup to setup the flows for Platform event Mode. Here's a snapshot of how this flow looks like.