system
Meaning and placement
infer
System prompt · the standing instruction, sent ahead ofprompt: and unchanged by it.
In the same object: max_tokens · model · prompt · schema · temperature · thinking · vision
Schema source (use the pointer above)
agent
System prompt · the standing instruction, sent ahead ofprompt: and unchanged by any turn of the loop.
In the same object: images · max_tokens_total · max_turns · model · prompt · schema · skills · temperature · tools
Schema source (use the pointer above)
In a source template
Excerpt fromtemplates/agent-loop.nika, source lines 82–91. This is a fragment, not a runnable workflow.
illustration
Templates containing this field
These are literal key occurrences in the source files, not an execution or conformance claim. How to instantiate a template.
Contract and implementation
This page projects the named specification revision. Check released engine status and the validation workflow before running a file. An optional field is not evidence that every engine supports every value. Canonical identity:language:word:system. Spec revision: 5c40ba456c53.
How documentation stays connected.