# EvaluationRuleEvaluatorAssignmentInput
## Properties
**evaluator_id** | **String** | Stable evaluator identifier. The rule automatically uses that evaluator's latest version. |
**variable_mapping** | Option<[**Vec<models::PromptVariableMappingInput>**](PromptVariableMappingInput.md)> | Rule-specific prompt-variable mapping. Set to `null` or omit to inherit the evaluator's latest default mapping. Code evaluators use the fixed runtime mapping and should use `null`. | [optional]
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