Access sub folders in *.mat file (struct)

Dear Mathworks forum,

Since it's been a while that I've worked with loading *.mat files, I was struggling to open sub folders in a *.mat file that I received for a project.

I'm quite a novice in this topic, so I'd like to ask your help. I added 4 pictures in the attachments to sketch my situation.

The *.mat struct file is named ''BODY'', where I'd like to access a sub folder BODY.SEGMENT(1).Cluster.MarkerInputFileIndices, as seen in the respective 4 pictures.

Which commands could I run to load the MarkerInputFileIndices into a vector in this case? I expected this to be easy, but couldn't come to a solution yet. Please let me know!

Greetings,

Jerome

[Walter Roberson]

.mat files do not have "subfolders". You are looking at structures and structure fields.

YourVector = BODY.SEGMENT(1).Cluster.MarkerInputFileIndices;