<function name="SetNWVarProxy" parent="Entity" type="classfunc"> <description><note>Only one NWVarProxy can be set per-var Running this function will only set it for the realm it is called on.</note> Sets a function to be called when the NWVar changes.</description> <realm>Shared</realm> <args> <arg name="key" type="any">The key of the NWVar to add callback for.</arg> <arg name="callback" type="function">The function to be called when the NWVar changes. It has 4 arguments:⤶ * <page>Entity</page> ent - The entity⤶ * <page>string</page> name - Name of the NWVar that has changed⤶ * <page>any</page> oldval - The old value⤶ * <page>any</page> newval - The new value</arg> <arg name="callback" type="function">The function to be called when the NWVar changes.⤶ ⤶ <callback>⤶ <arg type="Entity" name="ent">The entity</arg>⤶ <arg type="string" name="name">Name of the NWVar that has changed</arg>⤶ <arg type="any" name="oldval">The old value</arg> <arg type="any" name="newval">The new value</arg>⤶ </callback>⤶ </arg>⤶ </args> </function> <example> <description>Prints all changes to a NWVar called "Key" of Player 1.</description> <code> Entity( 1 ):SetNWVarProxy( "Key", print ) Entity( 1 ):SetNWString( "Key", "Value" ) Entity( 1 ):SetNWString( "Key", "Table" ) </code> <output> ``` Player [1][Player1] Key nil Value Player [1][Player1] Key Value Table ``` </output> </example>