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Turn on the validation of the CPI Headers - follow the previous section.
Create the variable that will always generate a random number for new test message and use this value to find the message based on the Cloud Integration Message headers.
Add a new entry in Parameters section for the HTTP Header with value Int4FileName={<NAME_OF_THE_VARIABLE>}
Optionally add a delay between the test case execution and validation (it should match the number of seconds set in the SFTP sender adapter for pooling in the tested iflow )
Execute the test case. Int4 Suite should find the message with the new file name