Add/Set Key/Value action sets a specified value to a key in a record
The Set Key/Value action sets a specified value to a key in a record. When applied to your processing rule, The Rename Keys action will set a specified value for every occurrence of a key in your records.
For example, given the following sample website log data.
To set the value “purchase” for the key “action”, from the actions drop-down menu of your processing rules tab, select `Set Key/Value”. In yourv “key” input box, add “action” and in the “value” input box, add “purchase”. Then click Apply.
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The value for the “action” Key will now be set to “purchase” in all the records of your pipeline.