# This file was auto-generated by Fern from our API Definition.

import typing

import pydantic
from ..core.pydantic_utilities import IS_PYDANTIC_V2
from ..core.unchecked_base_model import UncheckedBaseModel
from .email_address_header import EmailAddressHeader


class EmailMessageMetadata(UncheckedBaseModel):
    """
    Contains metadata if the message was sent as an email
    """

    subject: typing.Optional[str] = pydantic.Field(default=None)
    """
    The subject of the email
    """

    email_address_headers: typing.Optional[typing.List[EmailAddressHeader]] = pydantic.Field(default=None)
    """
    A list of an email address headers.
    """

    if IS_PYDANTIC_V2:
        model_config: typing.ClassVar[pydantic.ConfigDict] = pydantic.ConfigDict(extra="allow", frozen=True)  # type: ignore # Pydantic v2
    else:

        class Config:
            frozen = True
            smart_union = True
            extra = pydantic.Extra.allow
