You can add records to you team members by clicking on the My Team* page, select the Team tab which will present the list of team members allocated to you. Select the relevant team member to open their records, the select the add offline training tab.
This will take you to a page where you need to select the category and activity to open the relevant training record form, the click on the Add training record button.
You will then be prompted to answer any questions before they create a training record by clicking Create training record
*My Team page may have a different label in your portal