To issue a written warning, ensure the Create permission is enabled through Settings > All Settings > Permissions > Show Advanced Settings > Customise access & roles here and find the Written Warnings section.

By default, managers can issue written warnings for staff in their teams.

When you need to issue a written warning, navigate to the Written Warnings page under the HR tab.

Written warnings can be issued from the written warnings page. In the top right select + New Written Warning:

You will be prompted to select the employee the warning is for and the reason. Select the checkbox to populate the information from the template.

This will open the create written warning form. To complete the form you will need to provide:

Optionally you can provide:

Written warnings by default will be visible to the employee, Deselect the "visible to employee?” checkbox to create a warning that is not accessible by the employee.