---
title: ChunkPart (latest version)
description: API reference for qiskit_ibm_runtime.results.ChunkPart in the latest version of qiskit-ibm-runtime
source: https://eu-de.quantum.cloud.ibm.com/docs/en/api/qiskit-ibm-runtime/results-chunk-part
---

# ChunkPart

*class* `ChunkPart(idx_item, size)`

[GitHub](https://github.com/Qiskit/qiskit-ibm-runtime/tree/stable/0.49/qiskit_ibm_runtime/results/quantum_program.py#L32-L44)

Bases: `object`

A description of the contents of a single part of an execution chunk.

## Attributes

**Parameters**

- **idx\_item** (*int*)
- **size** (*int*)

### idx\_item

Type: `int`

The index of an item in a quantum program.

### size

Type: `int`

The number of elements from the quantum program item that were executed.

For example, if a quantum program item has shape `(10, 5)`, then it has a total of `50` elements, so that if this `size` is `10`, it constitutes 20% of the total work for the item.

## Methods