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Each step also may also provide a help button offering additional information about the values a step collects. Try to make it clear what you expect from the user by providing a good, initial description and clear labels in the form. If you'd like to provide an overall explanation of a step or some additional details on some or all of the fields, install an additional help page through the help button. This page simply takes over the space of the dialog box to provide its text.
Notifications
Validation messages
Please refer to concept for showing Messages such as (optional) description of fields as well as warning and error messages are shown right above the bottom edge of the form. See an example below and refer to Showing validation messages in forms for the complete picture.
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Optional steps
Optional steps extend a multi-step process. We do not define how to enter such a step as it makes sense to pick the best solution (a button, a link or even an icon) according to context. If the user chooses to enter an optional step:
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