Reverse a String in Dataweave

 https://developer.mulesoft.com/learn/dataweave

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                                                                           Input

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{
"message": "Hello world!"
}

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                                                                           Dataweave

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%dw 2.0
output application/json
---
payload.message[-1 to 0]

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                                                                           Output

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"!dlrow olleH"

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