step_link

A helper function for constructing a link to a different step. Expected arguments: the "index" of the step and the "label" for the link.

config_field

A helper function for constructing a mini-form for a config field. It returns the action that was created. Expected arguments are:

value_args

The arguments for the "form_field" call for value. If there's no "default_value", one will be constructed using the "context" parameter.

field

context

target_file

message

empty_is_undef

These parameters are for specifying defaults for each action argument.