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Message: <blockquote data-quote="MrChuckles" data-source="post: 121950" data-attributes="member: 6276">I am looking at integrating a third-party application with EnterpriseOne and have a question regarding 'polling' on the return transaction.  The plan is execute a call from within a 'C' business function and interactively call a custom NER. This NER would parse the data, create a flat text file (ie. a REQUEST transaction), and then copy the flat file (REQUEST) to an 'Exported' directory on the network. The third-party software continuously monitors for files in the 'Exported' directory, processes the transactions, creates a separate flat text file (ie. a RESPONSE transaction), and then copies the RESPONSE text file to an 'Import' directory on the network.My question is, how do I code the NER to keep polling the 'Import' directory to see if a RESPONSE has been generated?  I do not want the NER to return to the calling 'C' business function until either, a RESPONSE has been received, or a pre-determined amount of time has passed (eg. 30 seconds, or so, in which case I'd pass back a status of 'timed out').I know how to check to see if a RESPONSE has been returned, but I'm not sure how to assign a predetermined 'TIME' limit to the loop?Any 'best practice' ideas, or constructive thoughts would be appreciated for someone who has done something similar.Thanks for your assistance.</blockquote>