This note will not take effect unless the writer has the person's face in their mind when writting his/her name. Therefore, people sharing the same name will not be affected.
if the cause of death is written within 40seconds of writting the person's name. It will happen
If the cause of death is not specified, the person will simply die of a heart attack.
After writting the cause of death, details of the death should be written in the next 6 minutes and 40 seconds