I couldn't find any official documentation specifying what each parameter to a `sla_miss_callback` callable are. This would be a great addition to know how to properly format the messages sent.
airflow/models/dag.py
#
#
#
import copy
import functools
import logging
import os
import pathlib
import pickle
import re
import sys
import traceback
import warnings
from collections import OrderedDict
from datetime import datetime, timedelta, tzinfo
from inspect import signature
from typing import (
    TYPE_CHECKING,
    Any,
    Callable,
    Collection,