Below command on node.js command line generates html report with date and time.
newman run TestCollection.postman_collection.json -e TestEnvironment.postman_environment.json -r htmlextra --reporter-htmlextra-export D:\posman\newman\TestCollectionReport_%date:~-4,4%%date:~-10,2%%date:~-7,2%_%time:~0,2%%time:~3,2%.html
Example:
D:/postman/newman/TestCollectionReport_20221507_1720.html
D:/postman/newman/TestCollectionReport_20221507_1720.html
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