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Input

The entry point for your workflow. Each Input node defines a named parameter that must be provided when the workflow runs – either from the run form in the UI, from the API request’s inputs field, or from a dataset column in an evaluation.

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Output

The exit point. Whatever arrives at an Output node becomes part of the workflow’s result. You can have multiple Output nodes, each with a different name, and they’ll all appear in the run response.

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Value

A constant. Type in a string value and it flows downstream unchanged. Useful for thresholds, template fragments, configuration strings, or anything you want hardcoded into the workflow without passing it as an input every time. To output an empty string – say, as the replacement in a String node – tick Empty string. A Value node left blank won’t save, so a value you forgot to fill in never passes silently as empty.