---
title: BaseParamsModel (dev version)
description: API reference for ibm_quantum_schemas.common.BaseParamsModel in the dev version of qiskit-ibm-runtime
source: https://quantum.cloud.ibm.com/docs/en/api/qiskit-ibm-runtime/dev/ibm-quantum-schemas-common-base-params-model
---

# BaseParamsModel

*pydantic model* `BaseParamsModel`

[GitHub](https://github.com/Qiskit/ibm-quantum-schemas/tree/0.11.20260824/ibm_quantum_schemas/common/base_params.py#L18-L22)

Bases: `BaseModel`

Model of a runtime program’s inner parameters.

### schema\_version

*field*

Type: `str`

Version of the params schema being used.

**Constraints**

- **pattern** = vd+.d+