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22 lines
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22 lines
2 KiB
Markdown
<!-- Do not edit this file. It is automatically generated by API Documenter. -->
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[Home](./index.md) > [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) > [ExpressionAstExpressionBuilder](./kibana-plugin-plugins-expressions-public.expressionastexpressionbuilder.md)
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## ExpressionAstExpressionBuilder interface
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<b>Signature:</b>
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```typescript
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export interface ExpressionAstExpressionBuilder
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```
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## Properties
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| Property | Type | Description |
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| --- | --- | --- |
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| [findFunction](./kibana-plugin-plugins-expressions-public.expressionastexpressionbuilder.findfunction.md) | <code><FnDef extends AnyExpressionFunctionDefinition = AnyExpressionFunctionDefinition>(fnName: InferFunctionDefinition<FnDef>['name']) => Array<ExpressionAstFunctionBuilder<FnDef>> | []</code> | Recursively searches expression for all ocurrences of the function, including in subexpressions.<!-- -->Useful when performing migrations on a specific function, as you can iterate over the array of references and update all functions at once. |
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| [functions](./kibana-plugin-plugins-expressions-public.expressionastexpressionbuilder.functions.md) | <code>ExpressionAstFunctionBuilder[]</code> | Array of each of the <code>buildExpressionFunction()</code> instances in this expression. Use this to remove or reorder functions in the expression. |
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| [toAst](./kibana-plugin-plugins-expressions-public.expressionastexpressionbuilder.toast.md) | <code>() => ExpressionAstExpression</code> | Converts expression to an AST. <code>ExpressionAstExpression</code> |
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| [toString](./kibana-plugin-plugins-expressions-public.expressionastexpressionbuilder.tostring.md) | <code>() => string</code> | Converts expression to an expression string. <code>string</code> |
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| [type](./kibana-plugin-plugins-expressions-public.expressionastexpressionbuilder.type.md) | <code>'expression_builder'</code> | Used to identify expression builder objects. |
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