MessageComponentsSummary ¶ Source code in docs_src/capo_notifications/types/message_components_summary.py 8 9 10class MessageComponentsSummary(TypedDict, closed=True): headline: "str" """<p>A sentence long summary. For example, titles or an email subject line.</p>""" headline instance-attribute ¶ headline: str A sentence long summary. For example, titles or an email subject line.