Exporting form payload metadata for validation or analysis.
Every variant revision is available as a JSON schema (Draft 07), which describes the possible answer payloads that a flow may produce. Exporting this JSON allows you to write validators on your end, or understand the possible payloads that a flow may produce using the many tools that use the JSON Schema format.
Sample form schemas
Each of these examples shows how a form that only collected a single answer would be respresented in a JSON schema
Note that none of the root object properties are marked required: if you are receiving events with answers on every step, you may receive partial payloads, so you cannot assume the presence of any answer.
Accessing the JSON schema for a flow
The JSON schema for a given flow, variant, and revision combination is available at the following URL: