Pre-filling an instance with data.
As of today, Altinn offers three methods for prefilling data in an app for a user. These methods can be combined freely to reach the desired result.
Prefilling data using configuration
How to configure prefill for an app using configration files.
Prefilling data using custom code
How to code custom prefill of data in an app.
Prefilling data on an http post request
How to configure prefill for an app when creating a new instance from a http post request.