You can use the case statement to check first whether the value is empty. An example can be found here: https://community.eazybi.com/t/blank-field-need-to-have-existing-value/3702/2
Now, you may get some format errors since youbare mixing numbers and string values, so you may have to convert the numeric value to a string.
Hi everyone 👋, I really like the format of the webinar opportunities summary that @Jimmy Seddon posts monthly on the Welcome Centre group. It's a great place to go to check that you didn...
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