# 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


class EventMetadata(UncheckedBaseModel):
    """
    Contains metadata about a particular [Event](entity:Event).
    """

    event_id: typing.Optional[str] = pydantic.Field(default=None)
    """
    A unique ID for the event.
    """

    api_version: typing.Optional[str] = pydantic.Field(default=None)
    """
    The API version of the event. This corresponds to the default API version of the developer application at the time when the event was created.
    """

    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
