clinic/netforce_clinic/models/vascular_access.py

from netforce.model import Model, fields

class VascularAccess(Model):
    _name="clinic.vascular.access"
    _string="Vascular Access"
    
    _fields={
        "name": fields.Char("Name",required=True,search=True),
        "code": fields.Char("Code",required=True,search=True),
        "description": fields.Char("Description",search=True),
        'note': fields.Text("Note"),
    }

    _sql_constraints=("clinic_vascular_key_uniq","unique(code)","code should be unique"),

VascularAccess.register()