Any HR manager can create a plkanned training and invite participants. To do that select "Add training" from the trainings view.
Then from the new training view you have to select "Planned training" and then you can add all the necessary information. By selecting "Manager accepting required" every participant has to get acceptance from the manager to participate in the training. After pushing "Save" you are able to add participants.
In the next view you can see all registrated participants, accept or reject participation or ask some additional questions for example why person wishes to participate in this training. HR manager can also comment why they accepted/rejected the participation. By selecting "Edit" you can go back to change the detailed information about the training.