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Previously, it was common to need to create copies of the flow to accomodate accommodate different needs, as shown in the section labeled "Multiple Checkers". While this is still possible, it can be avoided in many cases by using the newer support for applying a Function instead of a condition/predicate. While the condition mode applies a single condition and returns a fixed error Event, the Function mode is more general in that it directly returns a string to use as the follow up event.
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