Sort structure in blueprint

The CMS Questions
1

Hi,
this is my blueprint , I want auto sort by date in blueprint.
and when I add new section will move it to top, not bottom.
how can I do this ?
Thank you.

 log:
    label: log
    type: structure
    entry: >
      {{date}} {{time}} <br />
      {{text}}
    fields:
      date:
        label: date
        type: date
        format: YYYY-mm-dd
      time:
        label: time
        type: time
      text:
        label: text
        required: true
        type:  markdown
2

See this thread Auto sort structure field entries in panel