Server Functions (or Server Side Functions) are functions that are executed on the server, instead of the javascript engine in the browser. Basically they are webservices, that respond to a post call and that accept the parameters in a specific pattern, defined by the brixxbox.
You can use the api function serverFunction to call a Server Function
To call a function and get the response object:
To get an example payload based on the current app state:
To get an example postman collection including the payload of the current app: