 [https://developer.steedos.com/developer/object_field#%E9%BB%98%E8%AE%A4%E5%80%BC-defaultvalue](https://developer.steedos.com/developer/object_field#%E9%BB%98%E8%AE%A4%E5%80%BC-defaultvalue)
https://developer.steedos.com/developer/object_field#%E9%BB%98%E8%AE%A4%E5%80%BC-defaultvalue