Application.config_change
You're seeing just the callback
config_change
, go back to Application module for more information.
Specs
config_change(changed, new, removed) :: :ok when changed: keyword(), new: keyword(), removed: [atom()]
Callback invoked after code upgrade, if the application environment has changed.
changed
is a keyword list of keys and their changed values in the
application environment. new
is a keyword list with all new keys
and their values. removed
is a list with all removed keys.