Select the tree icon (Classification) on the toolbar at the top of the screen.
At this stage, the Actually Classification option is unclassified.
To classify Elements, tick the “Actually Classifications” box, then click the arrow.
This causes the search menu to pop up.
Search for the part of the building the Element you are modelling belongs to.
Make your selection from the list provided.
Then click “Choose”.
Note: Several Elements can be classified at once by selecting all the applicable Elements.
Click the tree icon, then tick “Actually Classifications” box, followed by the arrow. Finally select the Classification for the items.