How to convert null value and empty value to "-"

Elastic Stack Kibana
1

In my dashboard, I have many data empty value and null value. I want to change them to "-".
Please recommend to me some solution for this case
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2

if you work on aggregated data, you could use Lens Table visualization that uses '-' for most of the metrics.

Screenshot 2022-03-21 at 13.45.39
Screenshot 2022-03-21 at 13.45.391920×1150 92.6 KB

3

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