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modules/marketing_automation/mixin.py

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+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+from trytond.model import fields
+
+
+class MarketingAutomationMixin:
+    __slots__ = ()
+
+    marketing_party = fields.Function(
+        fields.Many2One('party.party', "Marketing Party"),
+        'get_marketing_party', searcher='search_marketing_party')
+
+    def get_marketing_party(self, name):
+        raise NotImplementedError
+
+    @classmethod
+    def search_marketing_party(cls, name, clause):
+        raise NotImplementedError