Submit user-entered data for the specified form. Supports JSON-stringified form mapping in a multipart request, plus optional file uploads for media fields. Returns submission status and any processing result.
Unique identifier of the form to submit.
Specifies the language or region for the response data
Stringifying JSON, the key must be "form_mapping", and its value should contain the fields from the selected form builder. For any media field, an additional key in the format "<media_field>_images" must be included, with its value as a list of the original names of uploaded files.
Files to be sent as attachments in notification email (e.g. images uploaded in form).