...
forms: The forms for each object type, with optional configuration options.submit: The data you wish to submit for each type of form.
When working with the input type "object" you're required to pass back a "type" and "id" of an existing object or "type" and "data", where "data" is an associative array of fields from that object's form. For example, the following will create a new company with a new address associated with it's physical address.
...