# Setting a field dynamically (Ctrl+Space bar)

## About this task

On any field of your component Properties view, you can use the Ctrl+Space bar to access the global and context variable list and set the relevant field value dynamically.

## Procedure

1. Place the cursor on any field of the Component view.
2. Press Ctrl+Space bar to access the proposal list.
3. Select on the list the relevant parameters you need. Appended to the variable list, a information panel provides details about the selected parameter.

   ![Basic settings view of the component.](https://help.qlik.com/talend/en-US/studio-user-guide/Resources/images/CtrlSpace.png)

   This can be any parameter including: error messages, number of lines processed, or else. The list varies according to the component in selection or the context you are working in.

   Related topic: [Using contexts and variables](https://help.qlik.com/talend/en-US/studio-user-guide/8.0/contexts-and-variables).