https://community.dynatrace.com/t5/DQL/How-to-filter-OpenTelemetry-array-attributes-in-OpenPipeline/m-p/304374#M3477 <P>Hi everyone,<BR />I'm looking for some guidance regarding OpenPipeline Dynamic Routing and filtering OpenTelemetry array attributes.<BR />I receive log records containing an attribute that is stored as an array, for example:</P><UL><LI>["1", "2"]</LI><LI>["1"]</LI><LI>["2"]</LI><LI>and potentially other values as well.&nbsp; ( equal or not equal )</LI></UL><P><BR />My goal is to create routing rules based on the content of this array. However, I noticed that in the Dynamic Routing matcher, the array() function is not available and any expression using it returns the following error:</P><P><EM>Invalid matching condition. The function `array()` isn't enabled.</EM></P><P>Because of this limitation, I haven't found a way to validate whether an array contains a specific value or to compare it against a list of expected values.</P><P><BR />Has anyone successfully filtered OpenTelemetry array attributes in OpenPipeline Dynamic Routing?<BR />For example:</P><UL><LI>Route logs when the array contains "1"</LI><LI>Route logs when the array contains "2"</LI><LI>Route logs when the array contains either "1" and "2"</LI></UL><P><BR />Are there any supported functions, workarounds, transformations, or best practices to achieve this?</P><P><BR />Thanks in advance for any suggestions!</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Mon, 14 Sep 2026 19:32:23 GMT Carl_Me 2026-09-14T19:32:23Z https://community.dynatrace.com/t5/DQL/How-to-filter-OpenTelemetry-array-attributes-in-OpenPipeline/m-p/304374#M3477 <P>Hi everyone,<BR />I'm looking for some guidance regarding OpenPipeline Dynamic Routing and filtering OpenTelemetry array attributes.<BR />I receive log records containing an attribute that is stored as an array, for example:</P><UL><LI>["1", "2"]</LI><LI>["1"]</LI><LI>["2"]</LI><LI>and potentially other values as well.&nbsp; ( equal or not equal )</LI></UL><P><BR />My goal is to create routing rules based on the content of this array. However, I noticed that in the Dynamic Routing matcher, the array() function is not available and any expression using it returns the following error:</P><P><EM>Invalid matching condition. The function `array()` isn't enabled.</EM></P><P>Because of this limitation, I haven't found a way to validate whether an array contains a specific value or to compare it against a list of expected values.</P><P><BR />Has anyone successfully filtered OpenTelemetry array attributes in OpenPipeline Dynamic Routing?<BR />For example:</P><UL><LI>Route logs when the array contains "1"</LI><LI>Route logs when the array contains "2"</LI><LI>Route logs when the array contains either "1" and "2"</LI></UL><P><BR />Are there any supported functions, workarounds, transformations, or best practices to achieve this?</P><P><BR />Thanks in advance for any suggestions!</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Mon, 14 Sep 2026 19:32:23 GMT https://community.dynatrace.com/t5/DQL/How-to-filter-OpenTelemetry-array-attributes-in-OpenPipeline/m-p/304374#M3477 Carl_Me 2026-09-14T19:32:23Z