
## Payload

```json
{
  "session": {
    "id": "<SESSION_ID>",
    "created_at": "<SESSION_START_DATE>",
    "completed_at": "<SESSION_COMPLETED_DATE>",
    "stakeholder": {
      "id": "<SESSION_STAKEHOLDER_ID>",
      "type": "<SESSION_STAKEHOLDER_TYPE>",
    },
    "success_url": "<SESSION_SUCCESS_URL>",
    "cancel_url": "<SESSION_CANCEL_URL>",
  },
   "pathway": {
    "pathway_definition_id": "<PATHWAY_DEFINITION_ID>",
    "id": "<PATHWAY_ID>",
    "start_date": "<PATHWAY_START_DATE>",
    "patient_id": "<PATIENT_ID>"
  },
  "event_type": "session.completed"
}
```
