
Have you ever wondered how new tools placed on the canvas know what fields are being passed to it? Are they psychic or something? Not at all! It's metadata! The metadata fields Name, Type, Size, Source, and Description are all passed from tool to tool before you even run the workflow. When working with the Python SDK, you are in charge of building and passing that information to downstream tools. This blog post will explain what that entails and how to implement it in your Python-driven plugin.
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