[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-22 UTC."],[],[],null,["# Adding custom fields with the legacy field picker\n\n| As of Looker 21.16, the [upgraded Explore field picker](/looker/docs/creating-and-editing-explores#field_picker) is the default field picker, and the legacy Explore field picker is no longer available. See the [**Adding Custom Fields**](/looker/docs/custom-fields) documentation page to learn how to create custom dimensions and measures using the upgraded Explore field picker."]]
