4.6. The preferencesSheets child element of layout

<preferencesSheets
  name = NMTOKEN
/>

Specifies which preferencesSheets (set of preferencesSheets) to use for this XML editor.

If, for example, your XML editor makes use of action editOptionsAction, you need to declare at least one preferencesSheets in the GUI specification and you need to reference one of these declared preferencesSheets in the layout by the means of this preferencesSheets child element.

Example:

<preferencesSheets name="preferencesSheets" />