Page Comparison

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1. Select the workflow transition to perform the calculate days elapsed post function 

   Tip
   It is possible to start tracking from the issue creation by adding the post function to the Create transition

2. Click on Add post function and add a Calculate Days Elapsed for Traffic Light post function.
    

3. Fill in the settings for the post function
    
   

   Traffic Light Custom Field	The Traffic Light custom field to update
   Traffic Light Mode	3 modes: Restart: this will recalculate the days elapsed from the Start till End date specified below. Accumulate: this will retain any existing days elapsed value and add it to the days elapsed from the Start till End date specified below. Clear Value: this will clear and reset the target Traffic Light custom field value
   Start Date	The start date to calculate the days elapsed from. If the date custom field value is null, the Traffic Light value will be cleared.
   End Date	The end date to calculate the days elapsed to. If the date custom field value is null, the Traffic Light value will be cleared. If it is Current Date, then the Traffic Light days elapsed will continue to update everyday. If it is Today, it will use the date and time when the post function was executed For other date/datepicker custom fields, it will used the value provided
   Exclude First Day	Whether to exclude the 1st day in the calculation.  When ticked, it means to exclude the 1st day from the Start Date from counting as a working day. The default setting is to include the 1st day

   Note
   The date fields are ordered in 3 4 groups of alphabetical sequence Current Date - to continue counting until the post function is executed again with a known end date Today - The date and time the post function  System Date Fields - Created Date, Due Date, Resolution Date, Updated Custom Fields - Date Picker or Date Timer Picker custom fields added by administrators

4. Publish the workflow

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