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Function

Call a built-in or your own custom function as a single workflow step, with typed inputs and a result output.

1 actionPolling

AI-assisted documentation1 min read

This documentation is compiled from our integration source code, internal specs for Function, its official API documentation and anonymized requests logs we collect from our support team[2].

Open Function on WEXTL →

The list below is a reference of every Function node module the integration supports. You will be able to pick any of them on the workflow canvas while building automations.

Open any Function node module below to inspect its input parameters, outputs, and connection requirements.

FunctionAction
Output fields[3]
FieldType
Resulttext

The inputs are the arguments of the function you pick.

Look for Function templates in the WEXTL template library.

Browse templates →
  1. JS Code[2]Run custom JavaScript in a secure sandbox — transform data, call helpers, and return a result to the next step.
  2. ContinueIn an error-handler branch, swallow the error and resume the workflow on the success path.
  3. Human in the LoopPause the run for a person to review, approve, or reject before the workflow proceeds.
  4. Aggregate ResultsCollapse a fan-out iteration back into a single bundle — collect and combine the results of every branch.
  5. AI AgentAdd an AI agent to your workflow — connect a model, memory, tools, and knowledge to reason over data and act autonomously.
More apps in Built-in category →
  1. WEXTL® Function Source Code connector implementation.
  2. Our users use cases and automations.
  3. Official API Documentation for Function.
  4. WEXTL® visual workflow builder data.

Last updated: Jul 18, 2026 19:12

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How we compile these docs — sources, AI's role, and how we verify.