third-party-app-cms-config.py

from cms.app_base import CMSAppConfig

from .models import TestModel1, TestModel2


class TestModel1Config():
    fields = ['field1', 'field2']
    model = TestModel1
    # any other configuration including admin listing can go here

    

class TestModel2Config():
    fields = ['field1', 'field2']
    model = TestModel2
    # any other configuration including admin listing can go here



class CMSApp2Config(CMSAppConfig):
    djangocms_internalsearch_enabled = True
    internalsearch_config_list = [TestModel1Config, TestModel2Config]

• replace get_model with an attribute called model
• search_models is too generic, use internalsearch_models