Is it possible to populate the choices in a Choice column with all of the values in the Title column of the same SharePoint List?
Background
I want to use a SharePoint List to record all of the training sessions that staff can complete. Some of those training sessions will require that other training sessions have already been completed (i.e. prerequisites).
I would like to use the Title column to record the name of each individual training session. I would then like to have a Choices column that allows multiple choices, so that I can select what training sessions already recorded in the Title column need to have been completed.
I have tried to search for similar solutions, but have been unsuccessful (possibly because I have used the wrong terminology).
Many thanks for any help that you can offer.