Template:Constraint:Unique value

Distinct values: this property likely contains a value that is different from all other items.
Exceptions are possible as rare values may exist.
List of this constraint violations:
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Properties using this template generally have a unique value (e.g. an identifier).

This template categorizes talk pages into Category:Properties with unique value constraints.

UsageEdit

{{Constraint:Unique value}}

Properties usually also use: {{Constraint:Single value}}

If the unique value is a string value, properties can probably also use: {{Constraint:Format|pattern=}}

See alsoEdit