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underscore

underscore(String): String

Returns the provided string with every word separated by an underscore.

Transform

        
     
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%dw 2.0
import * from dw::core::Strings
output application/json
---
{
  a: underscore("customer"),
  b: underscore("customer-first-name"),
  c: underscore("customer NAME")
}
Output

        
     
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{
  "a": "customer",
  "b": "customer_first_name",
  "c": "customer_NAME"
}