I want to reformat any number of my search result to kWh ; as you see in pictures below for example 15 to 15 kWh.
You want to add text to your numerical field? If so then it would be as simple as
| eval Average-kWh=Average-kWh." kWh"
Splunk may not like the - in the field name. If it complains about this, change the name on line 7 to something like Average_kWh then rename after the eval I pasted above
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Yes it work the issue was idd the - in the field name,