--- schema_version: "1" id: 3a69b81ac10de2ad523f7fd7e3edce484fd5114a65453def95b8962c21c2f14f title: Types (dw::core::Types) collection: mulesoft version: current locale: en-us portal_url: https://docs.salesforce.com/mulesoft/current/en-us/dataweave/2.6/dw-types.md canonical_url: https://docs.mulesoft.com/dataweave/2.6/dw-types source_site: docs.mulesoft.com content_type: documentation content_hash: e0a12dace94918088442df72d37071322bd12d3ab6cd64613c2fe0657e027c19 description: MuleSoft Documentation Site release: "2.6" latest: false --- --- product: DataWeave version: 2.6 --- # Types (dw::core::Types) > For the full documentation index, see: https://docs.mulesoft.com/llms.txt This module enables you to perform type introspection. To use this module, you must import it to your DataWeave code, for example, by adding the line `import * from dw::core::Types` to the header of your DataWeave script. _Introduced in DataWeave version 2.3.0._ ## Functions

Name	Description
arrayItem	Returns the type of the given array. This function fails if the input is not an Array type.
baseTypeOf	Returns an the base type of the given type.
functionParamTypes	Returns the list of parameters from the given function type. This function fails if the provided type is not a Function type.
functionReturnType	Returns the type of a function’s return type. This function fails if the input type is not a Function type.
intersectionItems	Returns an array of all the types that define a given Intersection type. This function fails if the input is not an Intersection type.
isAnyType	Returns `true` if the input is the Any type.
isArrayType	Returns `true` if the input type is the Array type.
isBinaryType	Returns `true` if the input is the Binary type.
isBooleanType	Returns `true` if the input is the Boolean type.
isDateTimeType	Returns `true` if the input is the DateTime type.
isDateType	Returns `true` if the input is the Date type.
isFunctionType	Returns `true` if the input is the Function type.
isIntersectionType	Returns `true` if the input type is the Intersection type.
isKeyType	Returns `true` if the input is the Key type.
isLiteralType	Returns `true` if the input is the Literal type.
isLocalDateTimeType	Returns `true` if the input is the LocalDateTime type.
isLocalTimeType	Returns `true` if the input is the LocalTime type.
isNamespaceType	Returns `true` if the input is the Namespace type.
isNothingType	Returns `true` if the input is the Nothing type.
isNullType	Returns `true` if the input is the Null type.
isNumberType	Returns `true` if the input is the Number type.
isObjectType	Returns `true` if the input is the Object type.
isPeriodType	Returns `true` if the input is the Period type.
isRangeType	Returns `true` if the input is the Range type.
isReferenceType	Returns `true` if the input type is a Reference type.
isRegexType	Returns `true` if the input is the Regex type.
isStringType	Returns `true` if the input is the String type.
isTimeType	Returns `true` if the input is the Time type.
isTimeZoneType	Returns `true` if the input is the TimeZone type.
isTypeType	Returns `true` if the input is the Type type.
isUnionType	Returns `true` if the input type is the Union type.
isUriType	Returns `true` if the input is the Uri type.
literalValueOf	Returns the value of an input belongs to the Literal type.
metadataOf	Returns metadata that is attached to the given type.
nameOf	Returns the name of the input type.
objectFields	Returns the array of fields from the given Object type. This function fails if the type is not an Object type.
unionItems	Returns an array of all the types that define a given Union type. This function fails if the input is not a Union type.

## Types - [Types Types](https://docs.mulesoft.com/dataweave/2.6/dw-types-types)