Map the lookup fields from the CSV to precreated index


I need to map the fields existing in my index to a lookup file.
For eg: In index i am having field=value and in a csv i have value=name , so i need to map field=name. How can this be achieved.

So basically whenever I am searching field , i should also get name as result.

Use a translate filter.

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thankyou for the response
i used translate filter
but my data is doubled as of the source index and after that in destination also the same data
any way to avaoid


You can use the mutate filter to remove unwanted fields.

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