# How to automatic baseline alert on request attribute? **URL:** \ **Category:** Alerting\ **Tags:** request-attributes, problems-classic\ **Created:** [September 22, 2020, 8:38am UTC](https://community.dynatrace.com/t/how-to-automatic-baseline-alert-on-request-attribute/20365 "2020-09-22T08:38:29Z")\ **Posts on this page:** 12\ **Page:** 1
**Author:** ![andra\_nosa](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/andra_nosa/32/23972_2.png) [@andra\_nosa](https://community.dynatrace.com/u/andra_nosa)\ **Post date:** [September 22, 2020, 8:38am UTC](https://community.dynatrace.com/t/how-to-automatic-baseline-alert-on-request-attribute/20365/1 "2020-09-22T08:38:29Z")
Far I know its using DDU, there available now? ---
**Author:** ![Mike\_L](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/mike_l/32/11717_2.png) [@Mike\_L](https://community.dynatrace.com/u/Mike_L)\ **Post date:** [September 22, 2020, 8:46am UTC](https://community.dynatrace.com/t/how-to-automatic-baseline-alert-on-request-attribute/20365/2 "2020-09-22T08:46:34Z")
First you need to create a custom service metric based on the request attribute: [Dynatrace Blog | Dynatrace news](https://www.dynatrace.com/news/blog/custom-metrics-for-services-enrich-dynatrace-ai-and-dashboarding-capabilities-eap/) Once you have a metric, you can alert on it using custom events for alerting, which includes an auto adaptive baseline: [Dynatrace innovates again with the release of topology-driven auto-adaptive metric baselines](https://www.dynatrace.com/news/blog/dynatrace-innovates-again-with-the-release-of-topology-driven-auto-adaptive-metric-baselines/) ---
**Author:** ![andra\_nosa](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/andra_nosa/32/23972_2.png) [@andra\_nosa](https://community.dynatrace.com/u/andra_nosa)\ **Post date:** [September 22, 2020, 9:22am UTC](https://community.dynatrace.com/t/how-to-automatic-baseline-alert-on-request-attribute/20365/3 "2020-09-22T09:22:18Z")
Hi Mike, so first i need create calculated service metric to based on request attribute and next create custom event alert and choose auto adaptive baseline than? After that can we put into the dashboard? RG, ---
**Author:** ![Mike\_L](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/mike_l/32/11717_2.png) [@Mike\_L](https://community.dynatrace.com/u/Mike_L)\ **Post date:** [September 22, 2020, 9:23am UTC](https://community.dynatrace.com/t/how-to-automatic-baseline-alert-on-request-attribute/20365/4 "2020-09-22T09:23:54Z")
You can put it on the dashboard right away after you created the service metric, but it will only start alerting on it once you also created the custom alert. ---
**Author:** ![andra\_nosa](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/andra_nosa/32/23972_2.png) [@andra\_nosa](https://community.dynatrace.com/u/andra_nosa)\ **Post date:** [September 22, 2020, 10:43am UTC](https://community.dynatrace.com/t/how-to-automatic-baseline-alert-on-request-attribute/20365/5 "2020-09-22T10:43:57Z")
Hi Mike, After i create attribute and calculated service metric, can i filter all values attribute ? Because if i i see in configuration dimension it filter per values attribute not all values attribute or if not check the filter its capture all values attribute? I show you the screenshot : ![26657-1600771334862.jpg](https://global.discourse-cdn.com/dynatrace/original/2X/5/5ea30b5a6a214675d1e9118881832dbc983820c7.jpeg) RG, ---
**Author:** ![Mike\_L](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/mike_l/32/11717_2.png) [@Mike\_L](https://community.dynatrace.com/u/Mike_L)\ **Post date:** [September 22, 2020, 11:29am UTC](https://community.dynatrace.com/t/how-to-automatic-baseline-alert-on-request-attribute/20365/6 "2020-09-22T11:29:22Z")
Indeed, if you don’t filter on a specific one it will apply the alerting to all. ---
**Author:** ![andra\_nosa](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/andra_nosa/32/23972_2.png) [@andra\_nosa](https://community.dynatrace.com/u/andra_nosa)\ **Post date:** [September 23, 2020, 3:31am UTC](https://community.dynatrace.com/t/how-to-automatic-baseline-alert-on-request-attribute/20365/7 "2020-09-23T03:31:14Z")
Oh i see mike, means later, if there is an alert in one of the value attribute it will mention to thats attribute right? not all attribute? ---
**Author:** ![Mike\_L](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/mike_l/32/11717_2.png) [@Mike\_L](https://community.dynatrace.com/u/Mike_L)\ **Post date:** [September 23, 2020, 6:05am UTC](https://community.dynatrace.com/t/how-to-automatic-baseline-alert-on-request-attribute/20365/8 "2020-09-23T06:05:53Z")
Yes, that is correct ---
**Author:** ![andra\_nosa](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/andra_nosa/32/23972_2.png) [@andra\_nosa](https://community.dynatrace.com/u/andra_nosa)\ **Post date:** [September 23, 2020, 8:00am UTC](https://community.dynatrace.com/t/how-to-automatic-baseline-alert-on-request-attribute/20365/9 "2020-09-23T08:00:15Z")
Okay thank you Mike, best regard from me ---
**Author:** ![andra\_nosa](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/andra_nosa/32/23972_2.png) [@andra\_nosa](https://community.dynatrace.com/u/andra_nosa)\ **Post date:** [September 24, 2020, 6:47am UTC](https://community.dynatrace.com/t/how-to-automatic-baseline-alert-on-request-attribute/20365/10 "2020-09-24T06:47:31Z")
Hi Mike, Sorry i want to ask again related with this question, After i reproduce it, the alert not mention one of the values attribute, but just like that ![26712-1600929878796.png](https://global.discourse-cdn.com/dynatrace/original/2X/6/6c5203bf530d9100b08ab177604b4b3699c55705.png) Can dynatrace capture information values attribute on custom event alert on Event Description ![26721-1600929982460.png](https://global.discourse-cdn.com/dynatrace/original/3X/a/9/a944f58e013eb273d93a8d3b606ffe376c676749.png) RG, ---
**Author:** ![Mike\_L](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/mike_l/32/11717_2.png) [@Mike\_L](https://community.dynatrace.com/u/Mike_L)\ **Post date:** [September 24, 2020, 12:34pm UTC](https://community.dynatrace.com/t/how-to-automatic-baseline-alert-on-request-attribute/20365/11 "2020-09-24T12:34:00Z")
[@Wolfgang B.](https://answers.dynatrace.com/users/12838/view.html) I’ve seen the dimension splitting as part of the problem ticket. Is that only when entering a filter? ---
**Author:** ![Mike\_L](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/mike_l/32/11717_2.png) [@Mike\_L](https://community.dynatrace.com/u/Mike_L)\ **Post date:** [September 25, 2020, 8:44am UTC](https://community.dynatrace.com/t/how-to-automatic-baseline-alert-on-request-attribute/20365/12 "2020-09-25T08:44:37Z")
The message field has a “secret” placeholder called {dimensions}, please try with that one.