# Unlock

The action will unlock field selections.

![](https://4159443657-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Lb8fteihZN5J-edUC8e%2F-LbWw_U7YKB4f79cEqgy%2F-LbWwalvXa4BWFMj_2S7%2Fimage.png?alt=media\&token=fa86c526-11b3-40eb-982d-76f66ff303bb)

A Field can be entered manually or selected by clicking the <img src="https://4159443657-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Lb8fteihZN5J-edUC8e%2F-LbWqlqwCahK9_Vh8bZR%2F-LbWqqA3M4yuV4ioisW9%2Fimage.png?alt=media&#x26;token=7e19bc48-6aa5-41a7-8ef8-b61c574fe359" alt="" data-size="original"> button.

A Qlik expression can be used in the “Field” parameter by prefixing it with an equals sign.