While creating a new routine, what are the kind of background issues one should keep in mind? Typically, when a routine(corresponding to a VistA option) is run, certain background tasks are to be performed:
 
Checking if the user (DUZ) is allowed to access options/files/records
If accessing a sensitive patient... maintaining the audit log
If a test is completed, to send approprite notifications
restricting sign-on to a specific location etc.
 
Is there any guideline(other than SAC) based on which routines should be written keeping in mind the above & the adhereance to the basic VistA architecture so as to not conflict with future VA enhancements/KIDS patches?
 
Regards
Usha



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