---
structure:
  row1:
    col1:
      size: 6
      bloc:
      - mailFrom,required
    col2:
      size: 6
      bloc:
      - mailToApicrypt,required
  row2:
    col1:
      size: 12
      bloc:
      - mailSujet,required
  row3:
    col1:
      size: 12
      bloc:
      - mailModeles
  row4:
    col1:
      size: 12
      bloc:
      - mailBody,rows=10
...
