Purpose of Field Attribute in Breakdown Source Form?
Short answer
D Identifies the field that contains a unique value for every record for the breakdown source facts table
Question

Key Takeaways
This question tests the specific configuration of Breakdown Sources in Performance Analytics, specifically that the Field attribute acts as the unique identifier for records rather than a security or relationship limiter.
The Field attribute in a ServiceNow Breakdown Source identifies the specific column in the facts table used to categorize data. Consensus confirms this field must contain a unique value for every record to ensure accurate breakdown mapping.
Common mistake: Option A is a common distractor because breakdowns relate to indicators, but the Field attribute specifically targets the data source field, not the relationship definition itself.
Expert Analysis
Why the Answer Is Correct
The Field attribute is essential for defining how data is grouped within a Breakdown Source. It points to a specific column in the underlying facts table that serves as the key for the breakdown dimension. As noted in the community comments and official documentation, this field must uniquely identify the elements of the breakdown to prevent data ambiguity. Therefore, identifying the field with a unique value for every record is the precise definition of this attribute's purpose.
Why the Other Options Are Wrong
Option A is incorrect because the relationship between Breakdowns and Indicators is established through the configuration of the Indicator itself, not the Field attribute in the source. Option B is incorrect as security for breakdown values is handled differently, often through ACLs or user role constraints, not the Field attribute definition. Option C is incorrect because limiting the number of values is a function of filtering or conditions, whereas the Field attribute simply defines the source column for categorization.
Community Comment Notes
The community strongly supports Option D, achieving a 100% vote distribution. Commenters explicitly verified the answer against official ServiceNow documentation, noting that the Field attribute specifies the field used to categorize data. One useful comment highlighted that the field should uniquely identify breakdown elements, reinforcing the distinction between general categorization and unique identification.
Official Reference
This link opens the official vendor documentation in a new tab.
Exam Strategy
When answering configuration questions for ServiceNow Performance Analytics, focus on the specific function of the attribute being defined. Remember that 'Source' attributes generally relate to data retrieval and identification, while security and relationships are typically managed in separate configuration areas.
Community Votes
100% of anonymous learners picked answer D. Votes are pick records left by other test-takers — they are not the verified answer.
Discussion 3 contributions
Compiled from public community threads and reader submissions, lightly edited for clarity. Handles and vote tallies are shown as recorded, and comments reflect the views of individual contributors.
From public community threads 3
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b3de868 👍 3The purpose of the Field attribute on a Breakdown Source form is: D. Identifies the field that contains a unique value for every record for the breakdown source facts table The Field attribute specifies which field within the chosen facts table will be used to categorize the data in the Breakdown Source. It should uniquely identify the elements of the breakdown.
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TangerineDream 👍 1 Answered Dhttps://docs.servicenow.com/bundle/washingtondc-now-intelligence/page/use/performance-analytics/task/t_DefiningABreakdownSource.html
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ba14741 👍 2 Answered Dcheck the docs!
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