... on the set button. Please fill in API Key of OpenAI to use the AI function and select the output folder for storing the files during workflow output. If you need to use the function of mail delivery, please fill in the mailbox information on the set page. A workflow represents a work task process that includes input, output, and workflow triggering methods. You can arbitrarily define what the input is, what the output is, and how the input is processed and reaches the output result.