def _write_triggers_from_sequence_free_spell(array, trigger_file):
    """
    Write triggers from free spell.

    Helper Function to write trigger data to provided trigger_file.

    It writes in the following order:
        (I) presented letter, (II) timestamp
    """

    for i in array:

        # extract the letter and timing from the array
        (letter, time) = i

        # write to trigger_file
        trigger_file.write('%s %s' % (letter, time) + "\n")

    return trigger_file