import filtersignals from dbsettings.functions import getValue make_message = filtersignals.FilterSignal() def run_filters(notification): return make_message.send_robust(notification.__class__, recipient=notification.recipient, content=notification.content, app=notification.app)["content"] @filtersignals.receiver(make_message, 500) def notification_placeholders(sender, **kwargs): return {"content": kwargs["content"].replace("%KUMIFYURL%", getValue("KUMIFY_URL", "your Kumify instance"))}