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MCD-LEVEL-1 · Question #117

A flow contains an HTTP Listener as the event source. What is the DataWeave expression to log the Content-Type header using a Logger component?

The correct answer is A. #["Content-Type: " ++ attributes.headers.'content-type']. not with + sign which makes option 2 and 3 wrong 2) hearders can be accessed with attributes. headers and not with only headers which makes option 4 incorrect

Building Integration Applications with Mule 4

Question

A flow contains an HTTP Listener as the event source. What is the DataWeave expression to log the Content-Type header using a Logger component?

Options

  • A#["Content-Type: " ++ attributes.headers.'content-type']
  • B#["Content-Type: " + headers.'content-type']
  • C#["Content-Type: " + attributes.headers.'content-type']
  • D#["Content-Type: " ++ headers.'content-type']

How the community answered

(18 responses)
  • A
    78% (14)
  • B
    6% (1)
  • C
    11% (2)
  • D
    6% (1)

Explanation

not with + sign which makes option 2 and 3 wrong 2) hearders can be accessed with attributes. headers and not with only headers which makes option 4 incorrect

Topics

#DataWeave#HTTP attributes#headers#string concatenation

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