# Translate Filter : Lookup to csv file, with multiple Keys **URL:** \ **Category:** Logstash\ **Created:** [August 16, 2017, 9:03am UTC](https://discuss.elastic.co/t/translate-filter-lookup-to-csv-file-with-multiple-keys/97215 "2017-08-16T09:03:29Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![inhinyera16](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/inhinyera16/32/61625_2.png) [@inhinyera16](https://discuss.elastic.co/u/inhinyera16)\ **Post date:** [August 16, 2017, 9:03am UTC](https://discuss.elastic.co/t/translate-filter-lookup-to-csv-file-with-multiple-keys/97215/1 "2017-08-16T09:03:29Z")
I can use translate filter using single key but how to implement it if i have 2 keys My csv file has 3 columns (key1, key2, value) Is this possible? ---
**Author:** ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)\ **Post date:** [August 18, 2017, 5:30am UTC](https://discuss.elastic.co/t/translate-filter-lookup-to-csv-file-with-multiple-keys/97215/2 "2017-08-18T05:30:12Z")
Reformat your CSV file to combine key1 and key2 into a single column. ---
**Author:** ![inhinyera16](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/inhinyera16/32/61625_2.png) [@inhinyera16](https://discuss.elastic.co/u/inhinyera16)\ **Post date:** [August 18, 2017, 6:36am UTC](https://discuss.elastic.co/t/translate-filter-lookup-to-csv-file-with-multiple-keys/97215/3 "2017-08-18T06:36:06Z")
Did it and it works! Thanks! magnusbaeck 😃 ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [September 15, 2017, 6:36am UTC](https://discuss.elastic.co/t/translate-filter-lookup-to-csv-file-with-multiple-keys/97215/4 "2017-09-15T06:36:07Z")
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