Many web parts use the Path property to specify what content from the content tree should be displayed. You can find all path format options in Appendix B - Path expressions.

 

Also, all web part properties support macro expressions that allow you to insert a dynamic value instead of a constant in the property. Such a dynamic value is evaluated at run-time and allows you to specify context-dependent values. See Appendix A - Macro expressions for details.

 

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