# SINGLECHILD Use SINGLECHILD options to select which nodes to display when a parent hierarchy has only one child. [Learn more about single-child options for hierarchies.](https://docs.inforiver.com/display-settings/hierarchy-settings#id-4.2.-single-child) ### Syntax ```javascript SINGLECHILD. ``` ### Arguments SINGLECHILD OPTIONS - Can be ALL, PARENTONLY, PARENTMULTILEVEL, LEVELASPARENT, ASPARENT depending on how you want to display your hierarchy. ### Example ``` SINGLECHILD.ALL // Displays all single children SINGLECHILD.PARENTONLY // Displays the parent Only SINGLECHILD.PARENTMULTILEVEL //Displays the parent for multi-level hierarchies with single children SINGLECHILD.LEVELASPARENT // Displays the single child level as the parent SINGLECHILD.ASPARENT // Displays the single child at the lowest level as the parent ```

Single child functions used in variables

Notice how the single child nodes are displayed depending on the button clicked. The buttons use the SINGLECHILD script options internally to display single-child row categories.