List of AI Search Datasource Churn Audit fields

reference brazil Updated Sep 24, 2026 2 min read churn-audit-fields-ais.md
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Field descriptions for the AI Search Datasource Churn Audit table, which lists fields that AI Search has flagged as high-churn.

For steps on using this data to make an indexing decision, see Review high-churn field audit results.

Field

Description

Datasource

The indexed source that covers the flagged field's source table.

Source

The source table the flagged field belongs to.

Field

The name of the flagged field.

Field Type

A snapshot of the field's dictionary type at the time it was detected. This value is retained even if the field is later dropped from the table.

Occurrence Count

The number of times the field appeared in indexing activity during the current detection window.

Frequency Score

How many distinct days the field churned during the detection window, banded as Low, Medium, or High. See Churn Score for the combined triage signal.

Field Type Score

A 0–100 score reflecting how strongly the field's data type suggests it's a poor search candidate. See Churn Score for the combined triage signal.

Churn Score

The lower of the Field Type Score band and the Frequency Score band.Churn Score is automatically set to Blocked if Safety Guard detects that any ACL, search source, or result improvement rule depends on the field. This setting overrides the band derived from Field Type Score and Frequency Score. For details, see High-churn field detection.

Has ACL Dependency

Whether an ACL references this field, either by naming convention or in its condition.

Has Search Source Filter Dependency

Whether a search source's filter condition references this field.

Has RIR Dependency

Whether a result improvement rule's field boost action references this field. This checks result improvement rules that are still in Draft state as well as published rules.

Stats Window Start

The start of the detection window this record's scores were calculated from. Empty on the very first detection run.

Stats Window End

The end of the detection window this record's scores were calculated from.

Detection Note

A short, system-generated explanation of the field's type, score, and any Safety Guard dependency found for it.

Admin Decision

The only field an administrator sets directly. Values are Pending, Exclude From Indexing, and Continue Indexing.When Churn Score is Blocked, this field can't be set to any value other than Pending.

Decided By

The user who set the current Admin Decision.

Decided On

The date and time the current Admin Decision was set.

**Parent Topic:**[High-churn field detection](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/platform-administration/ai-search/high-churn-field-detection-ais.md)
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