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---
title: shift_frequency
description: API reference for qiskit.pulse.builder.shift_frequency
in_page_toc_min_heading_level: 1
python_api_type: function
python_api_name: qiskit.pulse.builder.shift_frequency
---
<span id="qiskit-pulse-builder-shift-frequency" />
# qiskit.pulse.builder.shift\_frequency
<Function id="qiskit.pulse.builder.shift_frequency" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.24/qiskit/pulse/builder.py" signature="shift_frequency(frequency, channel, name=None)">
Shift the `frequency` of a pulse `channel`.
Examples:
```python
from qiskit import pulse
d0 = pulse.DriveChannel(0)
with pulse.build() as pulse_prog:
pulse.shift_frequency(1e9, d0)
```
**Parameters**
* **frequency** (*float*) Frequency in Hz to shift channel frequency by.
* **channel** (*PulseChannel*) Channel to shift frequency of.
* **name** (*str | None*) Name of the instruction.
</Function>