# Slot: prefix URI: [mappingrules:prefix](https://w3id.org/oak/mapping-rules-datamodel/prefix) ## Applicable Classes | Name | Description | Modifies Slot | | --- | --- | --- | | [Synonymizer](Synonymizer.md) | Specification of a rule for generating a synonym or alternate lexical element | no | | [RuleSet](RuleSet.md) | A set of rules for generating synonyms or alternate lexical elements | no | | [Test](Test.md) | A unit test for a rule, specifies an intended output for an input | no | ## Properties * Range: [String](String.md) ## Identifier and Mapping Information ## Mappings | Mapping Type | Mapped Value | | --- | --- | | self | mappingrules:prefix | | native | mappingrules:prefix | ## LinkML Source
```yaml name: prefix alias: prefix domain_of: - RuleSet - Synonymizer - Test range: string ```