30 lines
1.4 KiB
Markdown
30 lines
1.4 KiB
Markdown
# Template
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Template lets you dynamically format and combine variables from previous nodes into a single text-based output using Jinja2, a powerful templating syntax for Python. It's useful for combining data from multiple sources into a specific structure required by subsequent nodes. The simple example below shows how to assemble an article by piecing together various previous outputs:
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<figure><img src="../../../.gitbook/assets/output (1).png" alt="" width="375"><figcaption></figcaption></figure>
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Beyond naive use cases, you can create more complex templates as per Jinja's [documentation](https://jinja.palletsprojects.com/en/3.1.x/templates/) for a variety of tasks. Here's one template that structures retrieved chunks and their relevant metadata from a knowledge retrieval node into a formatted markdown:
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```Plain
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{% raw %}
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{% for item in chunks %}
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### Chunk {{ loop.index }}.
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### Similarity: {{ item.metadata.score | default('N/A') }}
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#### {{ item.title }}
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##### Content
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{{ item.content | replace('\n', '\n\n') }}
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---
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{% endfor %}
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{% endraw %}
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```
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<figure><img src="../../../.gitbook/assets/output (2).png" alt=""><figcaption></figcaption></figure>
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This template node can then be used within a Chatflow to return intermediate outputs to the end user, before a LLM response is initiated.
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> The `Answer` node in a Chatflow is non-terminal. It can be inserted anywhere to output responses at multiple points within the flow.
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