# Keep columns The Keep columns step allows you to choose a column or multiple columns, meaning that it will delete every other columns. Useful when you have a lot of columns and that you only need to use a few of them. ### Step parameters * `Keep columns` **(array)\***: specify one or several column(s) to keep ### Example **Input**

Filter - Keep columns input

**Configuration** ```json { "columns" : ["id", "name", "country", "salary"] } ``` **Output**

Filter - Keep columns output