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---
title: AcquireChannel
description: API reference for qiskit.pulse.channels.AcquireChannel
in_page_toc_min_heading_level: 1
python_api_type: class
python_api_name: qiskit.pulse.channels.AcquireChannel
---
# AcquireChannel
<Class id="qiskit.pulse.channels.AcquireChannel" isDedicatedPage={true} github="https://github.com/Qiskit/qiskit/tree/stable/1.1/qiskit/pulse/channels.py#L198-L201" signature="qiskit.pulse.channels.AcquireChannel(*args, **kwargs)" modifiers="class">
Bases: [`Channel`](pulse#qiskit.pulse.channels.Channel "qiskit.pulse.channels.Channel")
Acquire channels are used to collect data.
Channel class.
**Parameters**
**index** Index of channel.
## Attributes
### index
<Attribute id="qiskit.pulse.channels.AcquireChannel.index">
Return the index of this channel. The index is a label for a control signal line typically mapped trivially to a qubit index. For instance, `DriveChannel(0)` labels the signal line driving the qubit labeled with index 0.
</Attribute>
### name
<Attribute id="qiskit.pulse.channels.AcquireChannel.name">
Return the shorthand alias for this channel, which is based on its type and index.
</Attribute>
### parameters
<Attribute id="qiskit.pulse.channels.AcquireChannel.parameters">
Parameters which determine the channel index.
</Attribute>
### prefix
<Attribute id="qiskit.pulse.channels.AcquireChannel.prefix" attributeTypeHint="str | None" attributeValue="'a'">
A shorthand string prefix for characterizing the channel type.
</Attribute>
## Methods
### is\_parameterized
<Function id="qiskit.pulse.channels.AcquireChannel.is_parameterized" github="https://github.com/Qiskit/qiskit/tree/stable/1.1/qiskit/pulse/channels.py#L135-L137" signature="is_parameterized()">
Return True iff the channel is parameterized.
**Return type**
[bool](https://docs.python.org/3/library/functions.html#bool "(in Python v3.12)")
</Function>
</Class>