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---
title: generate_scheduling
description: API reference for qiskit.transpiler.preset_passmanagers.common.generate_scheduling
in_page_toc_min_heading_level: 1
python_api_type: function
python_api_name: qiskit.transpiler.preset_passmanagers.common.generate_scheduling
---
# qiskit.transpiler.preset\_passmanagers.common.generate\_scheduling
<Function id="qiskit.transpiler.preset_passmanagers.common.generate_scheduling" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.23/qiskit/transpiler/preset_passmanagers/common.py" signature="generate_scheduling(instruction_durations, scheduling_method, timing_constraints, inst_map)">
Generate a post optimization scheduling [`PassManager`](qiskit.transpiler.PassManager "qiskit.transpiler.PassManager")
**Parameters**
* **instruction\_durations** (*dict*) The dictionary of instruction durations
* **scheduling\_method** (*str*) The scheduling method to use, can either be `'asap'`/`'as_soon_as_possible'` or `'alap'`/`'as_late_as_possible'`
* **timing\_constraints** (*TimingConstraints*) Hardware time alignment restrictions.
* **inst\_map** ([*InstructionScheduleMap*](qiskit.pulse.InstructionScheduleMap "qiskit.pulse.InstructionScheduleMap")) Mapping object that maps gate to schedule.
**Returns**
The scheduling pass manager
**Return type**
[PassManager](qiskit.transpiler.PassManager "qiskit.transpiler.PassManager")
**Raises**
[**TranspilerError**](qiskit.transpiler.TranspilerError "qiskit.transpiler.TranspilerError") If the `scheduling_method` kwarg is not a valid value
</Function>