---
sourceDocument: Brazil Enable AI
sourceDocumentLink: https://www.servicenow.com/docs/r/intelligent-experiences

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    - brazil

ft:locale :

    - en-US

ft:publication_title :

    - Brazil Enable AI

ft:clusterId :

    - platai

bundleId :

    - platai

workflow :

    - Platform


---

# Configure evaluation scoring for external AI systems

# Configure evaluation scoring for external AI systems {#ariaid-title1}

Release version: Brazil  
Updated September 10, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Monitor and configure evaluation scoring for AI systems that run outside the ServiceNow AI Platform.

External AI systems must be connected to send trace data to AI Control Tower before you can activate evaluation scoring for them.
* **[Activate evaluation scoring for external AI systems](https://www.servicenow.com/docs/LkhPwGDx5Zj5zD9CiUIBHw)**   
  Assess the quality and safety of your external AI systems by connecting them to AI Control Tower and activating evaluation scoring.
* **[Configure global metrics for external AI systems](https://www.servicenow.com/docs/Zhc3vrepL~hf2vxFH4asmg)**   
  Choose which metrics evaluate all your external AI systems by default, exclude an individual system from a specific metric, and adjust how often each metric runs.
* **[Configure asset-specific metrics for external AI systems](https://www.servicenow.com/docs/~twQJY2QMaem3I79dc0DWw)**   
  Add or remove metrics for one or more external AI systems without changing the global metric configuration, and adjust metric sample rates.
* **[Exclude external AI systems from a metric](https://www.servicenow.com/docs/EV~pa7pn4vZUxeBELeSBpA)**   
  Exclude one or more external AI systems from a specific metric, without changing that metric's configuration for every other system.