Obtain the difference between two dates

Use case

Prerequisites

Set up custom fields

Create a Number custom field

Name: Time Difference

Add it to the screens of your choice.

Set up workflow validator

Add to the newly created transition the Fields required or changed validator.

Once set up, the validator should look something like this:

SCREENSHOT

Configuration

Target issue*

Choose Current issue

Current Status field

Field*

Choose Current Status

Expression*

Set it to Advanced and use the following expression

"*" + dateTimeToString({system.currentDateTime}, "yyyy-MM-dd", USER_LANG) + "* - *" + %{system.currentUserFullName} + "*\n" + %{issue.cfnnnnn}

%{issue.cfnnnnn} is the field code for the field Status Update

Another step

Screenshots

Screencast

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