p: Annotated[str, Body(embed=True, alias="p_alias")],
):
    return {"p": p}


class BodyModelRequiredAlias(BaseModel):
    p: str = Field(alias="p_alias")


@app.post("/model-required-alias", operation_id="model_required_alias")
async def read_model_required_alias(p: BodyModelRequiredAlias):
    return {"p": p.p}


@pytest.mark.parametrize(
    "path",
    [
        "/required-alias",