idea Shared variables for use in definition queries in a Map Document in ArcGIS Pro Ideas https://community.esri.com/t5/arcgis-pro-ideas/shared-variables-for-use-in-definition-queries-in/idi-p/945851 <DIV>User defined global variables and universal constants generally accessible in a Map Document, freely applicable in definition queries across different layers (or in other expressions), allowing user to easily and simultaneously control multiple layers’ appearance by simply modifying the value of the shared variable.<BR />&nbsp;</DIV><DIV><EM>Example:</EM></DIV><DIV><EM>continent = 'Africa' &nbsp;# global variable</EM></DIV><DIV><EM>Layer A Definition Query: "CONTINENT" = continent</EM></DIV><DIV><EM>Layer B Definition Query: "CONTINENT" &lt;&gt; continent</EM></DIV><!-- content transformation source ID: 087300000008Liz --><P>&nbsp;</P> Thu, 05 Mar 2026 20:24:30 GMT JurajKrumpolec 2026-03-05T20:24:30Z Shared variables for use in definition queries in a Map Document https://community.esri.com/t5/arcgis-pro-ideas/shared-variables-for-use-in-definition-queries-in/idi-p/945851 <DIV>User defined global variables and universal constants generally accessible in a Map Document, freely applicable in definition queries across different layers (or in other expressions), allowing user to easily and simultaneously control multiple layers’ appearance by simply modifying the value of the shared variable.<BR />&nbsp;</DIV><DIV><EM>Example:</EM></DIV><DIV><EM>continent = 'Africa' &nbsp;# global variable</EM></DIV><DIV><EM>Layer A Definition Query: "CONTINENT" = continent</EM></DIV><DIV><EM>Layer B Definition Query: "CONTINENT" &lt;&gt; continent</EM></DIV><!-- content transformation source ID: 087300000008Liz --><P>&nbsp;</P> Thu, 05 Mar 2026 20:24:30 GMT https://community.esri.com/t5/arcgis-pro-ideas/shared-variables-for-use-in-definition-queries-in/idi-p/945851 JurajKrumpolec 2026-03-05T20:24:30Z Re: Shared variables for use in definition queries in a Map Document https://community.esri.com/t5/arcgis-pro-ideas/shared-variables-for-use-in-definition-queries-in/idc-p/945852#M6269 <HTML><HEAD></HEAD><BODY>This can be merged with my request "Implement global variables within ArcGIS Desktop"<BR /><BR /><DIV><A href="https://c.na1.visual.force.com/apex/ideaView?id=0873000000089OcAAI">https://c.na1.visual.force.com/apex/ideaView?id=0873000000089OcAAI</A></DIV> <!-- content transformation source ID: 00a30000009egdC --> </BODY></HTML> Wed, 23 Mar 2011 20:11:17 GMT https://community.esri.com/t5/arcgis-pro-ideas/shared-variables-for-use-in-definition-queries-in/idc-p/945852#M6269 BruceLang 2011-03-23T20:11:17Z