# =====================================================================================
# Alias


@app.post("/optional-alias", operation_id="optional_alias")
async def read_optional_alias(
    p: Annotated[Optional[str], Body(embed=True, alias="p_alias")] = None,
):
    return {"p": p}


class BodyModelOptionalAlias(BaseModel):
    p: Optional[str] = Field(None, alias="p_alias")