TES event taxonomy

Agent session initiated with delegation chain

Agent performed a discrete action (browse, compare, select)

Verifiable Intent credential linked to session

Agent initiated payment via Agent Pay or x402

Agent session ended with full audit trail

Physical item scanned or registered into the system

Item matched to a known product via VLM or barcode

Condition assessment completed

Market value estimated for the item

Item listed for resale on a marketplace

Item sale completed

Item dispatched to buyer

Item received by buyer

Item sent to recycling pathway

Invoice created and recorded

Invoice delivered to recipient

Recipient opened the invoice

Recipient raised a dispute

Payment received for invoice

New subscription initialized

Subscription became active

Subscription period renewed

Subscription temporarily paused

Subscription terminated

Payment process started

Payment authorization confirmed

Funds transferred and settled

Payment attempt failed

Payment reversed to payer

API or resource usage recorded

Usage aggregated for billing period

Usage hit a configured threshold

Settlement process started between parties

Settlement terms verified by all parties

Settlement finalized

Settlement could not be completed

Compliance check succeeded

Compliance violation detected

Audit trail requested

EU AI Act compliance report generated