Provides an example of the update function using a pattern matching pattern.

UpdateExample.dwl

%dw 2.0
output application/json
---
payload update {
    case value at .software.name if (value contains "XYZ") -> "XYZ FHIR 2017"
    case value at .software.version  -> "1.0.0"
    case value at .software.releaseDate -> "2017-03-06T00:00:00Z"
    case value at .date if(!isEmpty(value)) -> "2017-03-06T00:00:00Z"
    case value at .version if(!isEmpty(value)) -> "1.0.0"
    case value at .copyright if(!isEmpty(value)) -> "Copyright XYZ 2017"
    case value at .*rest -> value map (
        $ update {
            case value at .security.*extension -> value map (
                $ update {
                    case value at .*extension -> value map (
                        $ update {
                            case value at .valueUri -> "https://xyz.com/Interconnect-POC-FHIR/oauth2/token"
                        }
                    )
                }
            )
        }
    )
}