---
title: ChunkSpan (latest version)
description: API reference for ibm_quantum_schemas.executor.version_0_1.ChunkSpan in the latest version of qiskit-ibm-runtime
source: https://eu-de.quantum.cloud.ibm.com/docs/en/api/qiskit-ibm-runtime/ibm-quantum-schemas-executor-version-0-1-chunk-span
---

# ChunkSpan

*pydantic model* `ChunkSpan`

[GitHub](https://github.com/Qiskit/ibm-quantum-schemas/tree/0.10.20260723/ibm_quantum_schemas/executor/version_0_1/models.py#L195-L210)

Bases: `BaseModel`

Timing information about a single chunk of execution.

> **Note**
>
> This span may include some amount of non-circuit time.

### parts

*field*

Type: `list`\[[`ChunkPart`](/docs/api/qiskit-ibm-runtime/ibm-quantum-schemas-executor-version-0-1-chunk-part "ibm_quantum_schemas.executor.version_0_1.models.ChunkPart")]

A description of which parts of a quantum program are contained in this chunk.

### start

*field*

Type: `datetime`

The start time of the execution chunk in UTC.

### stop

*field*

Type: `datetime`

The stop time of the execution chunk in UTC.