To add an epoch to a study, select Add epoch button

Add epoch screen appears. It is initialized with a single row.

Enter Label and Sequence for the epoch and select Submit. To add more epochs, select Add more button. A new row is added every time you select the Add more button.

Enter the Label and Sequence for the new rows and select Submit button. Note that for a study label of an epoch, sequence are unique. Hence, no two epochs may have the same Label or Sequence.

Once you select Submit, labels of the epochs are displayed in the tree structure.