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ServiceNow Docs: Make a field dependent

Documents dependent choice and reference fields where one field limits available values based on another field on the same table, including category-to-subcategory behavior, same-table dependency constraints, and many-to-many caveats.

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What this source can teach

Use this source to inspect a concrete implementation and the decisions visible in its context.

  1. Start with the original. Open the source and find the guidance or example relevant to your task.
  2. Trace the connection. Use the claim notes below to see how this site applies the source to specific patterns.
  3. Check the setting. Compare the source's platform, people, and constraints with your own decision.

Pattern Decisions This Source Supports

Pattern Supported decision Required contract Claim note
Dependent fields Choose dependent fields when one answer controls another field's valid choices, requirement, editability, helper text, or validation. Users encounter the controlling field before the dependent field in reading and tab order. ServiceNow supports dependent choice and reference fields where the selected controlling value determines available dependent options.

Evidence Role

This source is treated as product-example evidence. Its value comes from the specific claims and setting described above.

Publisher: ServiceNow. Last checked: .

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