Note:

If you set default value to conditionally appearing attribute, it automatically sets the respective default value to its parental attribute.
  1. Fill the value which you want to set as default for specific attribute



  1. Double-click the label of attribute. Colour of the label becomes inverted.
  2. The default value becomes visible in the top panel whenever mouse is placed over the attribute label



  1. If new object is created, attribute is automatically set to default value



  1. To clear default value simply double-click the label of attribute again



  1. For new entities there won't be any value