{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/FormSubscribeFilter", "title": "FormSubscribeFilter", "type": "object", "properties": { "field": { "type": "string", "enum": [ "subscribe_method" ] }, "method": { "type": "string", "enum": [ "form" ] }, "filter": { "description": "Optional filter on a specific list of form IDs", "$ref": "#/components/schemas/InStringArrayFilter", "nullable": true } }, "required": [ "field", "method" ] }