# Agentic-commerce measurement dictionary

| Event | Allowed fields | Limitation |
| --- | --- | --- |
| Course start | collection ID, lesson slug | Does not identify a person. |
| Lesson completion | collection ID, lesson slug | Local browser state only; do not transmit completion history. |
| Course-file download | collection ID, file ID | A download is not evidence of use or an outcome. |
| Specification outbound click | source ID, guide slug | A click does not prove policy eligibility. |
| Correction report | route, correction category | Do not collect private inventory or reader data. |

User-agent strings and vague referrals may be investigation signals. They are
not proof of agent-originated buyers, transactions, or revenue.