Fab model

from mongoengine import Document
from mongoengine import DateTimeField, StringField, ReferenceField, ListField

class ContactGroup(Document):
    name = StringField(max_length=60, required=True, unique=True)

    def __unicode__(self):
        return self.name

    def __repr__(self):
        return self.name

Source: flask-appbuilder.readthedocs.io

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