):
    return {"p": p}


class FormModelRequiredValidationAlias(BaseModel):
    p: str = Field(validation_alias="p_val_alias")


@app.post(
    "/model-required-validation-alias", operation_id="model_required_validation_alias"
)
def read_model_required_validation_alias(
    p: Annotated[FormModelRequiredValidationAlias, Form()],
):
    return {"p": p.p}