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In this business scenario we want to measure the duration of the lunch break on Appointments. We have two custom option set fields, Lunch-break start time and Lunch-break finish time, that are made up of 15 minute time slots, for example: 12:00, 12:15, 12:30, 12:45, 13:00.

We want to put the difference of these two “times” into another custom field called Lunch-break duration.

We will do this using North52’s Split function in conjunction with its DateDiff function. 

North52 BPA Solution

The North52 BPA solution works like this:

  • A Formula is set up that triggers whenever one of the Appointment’s Lunch-break start time or Lunch-break finish time fields are changed
    • This formula will split the hours from the minutes for each of the option sets
    • It will then create a DateTime type for each of these values
      • Both DateTimes will have the same year, month and day – only the hour and minutes will be different
    • The formula will calculate the difference between these two DateTimes
    • Finally, the Lunch-break duration field will be updated with the difference between both DateTimes

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