{
    "name" : "nullable|legal_characters",
    "opportunity_id" : "required|integer",
    "author_id" : "required|integer",
    "template_id" : "nullable|integer",
    "client_id" : "nullable|integer",
    "site_id" : "nullable|integer",
    "internal_ref" : "nullable|legal_characters",
    "config" : "nullable|string"
}