{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://api-evangelist.github.io/deribit/json-schema/trigger.json", "title": "Trigger", "enum": [ "index_price", "mark_price", "last_price" ], "type": "string", "description": "Trigger type (only for trigger orders). Allowed values: `\"index_price\"`, `\"mark_price\"`, `\"last_price\"`." }