action opentrials_get_trial { label: "getTrial" description: "Returns a trial's details and related entities (e.g. `conditions`)." provider: opentrials method: GET path: "/trials/{id}" encoding: json input: { type: "object" properties: { id: { type: "string" } } required: ["id"] additionalProperties: false } output: { type: "object" additionalProperties: true } }