Ejemplo de métrica de evaluación: Similitud de cadenas

• •Punto final de HTTP Webhook (n8n generará automáticamente)
• •Pueden requerirse credenciales de autenticación para la API de destino
• •Clave de API de OpenAI

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        "content": "## How it works\nThis template shows how to calculate a workflow evaluation metric: **text similarity, measured character-by-character**.\n\nThe workflow takes images of hand-written codes, extracts the code and compares it with the expected answer from the dataset.\n\nThe images look like this:\n![image](https://storage.googleapis.com/n8n_template_data/handwriting_scans/doc20250302_08223946_001.jpg)\n\nYou can find more information on workflow evaluation [here](https://docs.n8n.io/advanced-ai/evaluations/overview), and other metric examples [here](https://docs.n8n.io/advanced-ai/evaluations/metric-based-evaluations/#2-calculate-metrics)."
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