Param metadata: readonly and constant

[JonathanMair]

This is the original post, by @Marc :

How do i make parameter readonly for user input but writeable in code?

I have a parametrized class and some of the parameters should never be changed by a user. They should be shown only. But the code should be able to update them. How do I enable that? Example If the user clicks the below button the TypeError: Constant parameter 'mean_365d_30d_rolling' cannot be modified error is shown. How do I avoid that and allow the code to change the value? [image] import panel as pn import param def update(features): features.mean_365d_30d_rolling += 1 class Spre…