Jinja Templates

Use Jinja to create dynamic inputs and outputs inside blocks.

Core Syntax

• {{ ... }} for expressions
• {% ... %} for control flow

Examples:

{{ inputs.user_message }}
{{ collection_lookup.output }}
{% if inputs.priority == "high" %}urgent{% else %}normal{% endif %}

Common Use Cases

• Build prompts with workflow state
• Build API payloads dynamically
• Add timestamps to logs and messages
• Apply conditional messaging by status or priority

Date and Time Utilities

Available in templates:

• datetime
• timezone
• ZoneInfo

Examples:

{{ datetime.now(timezone.utc).isoformat() }}
{{ datetime.now(ZoneInfo("America/Los_Angeles")).strftime('%Y-%m-%d %I:%M %p') }}

Safe Templating Rules

• Prefer explicit field references over broad objects
• Keep templates readable, move complex logic into dedicated blocks
• Validate output shape in Console before deploying
• Use environment variables via _env for secrets

Example:

{{ _env.API_KEY }}

Next Steps

• Logic and State: Understand variable flow and references
• Console: Validate rendered template output
• Creating Workflows: Build cleaner workflow architectures

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