To do so:
On the toolbar of the Studio main window, click or click File > Edit Project Properties from the menu bar to open the [Project Settings] dialog box.
In the tree view of the dialog box, expand the Job Settings node and then select the Implicit Context Load check box to display the configuration parameters of the Implicit tContextLoad feature.
Select the From File or From Database check boxes according to the type of file you want to store your contexts in.
For files, fill in the file path in the From File field and the field separator in the Field Separator field.
For databases, select the Built-in or Repository mode in the Property Type list and fill in the next fields.
Fill in the Table Name and Query Condition fields.
Select the type of system message you want to have (warning, error, or info) in case a variable is loaded but is not in the context or vice versa.
Click Apply to validate your changes and then OK to close the dialog box.