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DataWeave 2.2 is compatible and bundled with Mule 4.2. This version of Mule reached its End of Life on May 2, 2023, when Extended Support ended.

Deployments of new applications to CloudHub that use this version of Mule are no longer allowed. Only in-place updates to applications are permitted.

MuleSoft recommends that you upgrade to the latest version of Mule 4 that is in Standard Support so that your applications run with the latest fixes and security enhancements.

charCode(String): Number

Returns the Unicode for the first character in an input string.

For an empty string, the function fails and returns Unexpected empty string.


Name Description


The input string.


This example returns Unicode for the "M" in "Mule".


%dw 2.0
import * from dw::core::Strings
output application/json
  "charCode" : charCode("Mule")


{ "charCode" : 77 }