action citycontext_by_postcode { label: "Query by postcode" provider: citycontext method: GET path: "/postcodes/{postcode}" encoding: json input: { type: "object" properties: { park_search_radius: { type: "string" } postcode: { type: "string" } school_search_radius: { type: "string" } } required: ["postcode"] additionalProperties: false } output: { type: "object" additionalProperties: true } }