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@alexa/ask-expressions-spec

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The JSON Schema specification for the Alexa Skills Kit Intermediate Representation (ASKIR).

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# Untitled undefined type in ArgumentsDeclaration Schema ```txt https://amazonalexa.com/ask/2020/12/ArgumentsDeclaration#/items/properties/defaultExpression ``` Indicates whether the argument is required. If the argument is not provided in an 'Call' expression, this expression will be used instead. | Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In | | :------------------ | :--------- | :------------- | :---------------------- | :---------------- | :-------------------- | :------------------ | :-------------------------------------------------------------------------------------------- | | Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [ArgumentsDeclaration.json\*](../../schemas/ArgumentsDeclaration.json "open original schema") | ## defaultExpression Type merged type ([Details](argumentsdeclaration-argument-declaration-properties-defaultexpression.md)) one (and only one) of * [Call](actiondeclaration-properties-annotations-call.md "check type definition") * [property reference](arguments-definitions-arg-expression-oneof-property-reference.md "check type definition") * [name](arguments-definitions-arg-expression-oneof-name.md "check type definition")