60 lines
2.1 KiB
Plaintext
60 lines
2.1 KiB
Plaintext
---
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title: Operation (v1.2)
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description: API reference for qiskit.circuit.Operation in qiskit v1.2
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in_page_toc_min_heading_level: 1
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python_api_type: class
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python_api_name: qiskit.circuit.Operation
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---
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# Operation
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<Class id="qiskit.circuit.Operation" isDedicatedPage={true} github="https://github.com/Qiskit/qiskit/tree/stable/1.2/qiskit/circuit/operation.py#L18-L67" signature="qiskit.circuit.Operation" modifiers="class">
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Bases: [`ABC`](https://docs.python.org/3/library/abc.html#abc.ABC "(in Python v3.13)")
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Quantum operation interface.
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The minimal interface that any object must fulfil in order to be added to a [`QuantumCircuit`](qiskit.circuit.QuantumCircuit "qiskit.circuit.QuantumCircuit").
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Concrete instances of this interface include [`Gate`](qiskit.circuit.Gate "qiskit.circuit.Gate"), [`Reset`](circuit#qiskit.circuit.Reset "qiskit.circuit.Reset"), [`Barrier`](circuit#qiskit.circuit.Barrier "qiskit.circuit.Barrier"), [`Measure`](circuit#qiskit.circuit.Measure "qiskit.circuit.Measure"), and operators such as [`Clifford`](qiskit.quantum_info.Clifford "qiskit.quantum_info.Clifford").
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The main purpose is to allow abstract mathematical objects to be added directly onto abstract circuits, and for the exact syntheses of these to be determined later, during compilation.
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**Example**
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Add a Clifford and a Toffoli gate to a [`QuantumCircuit`](qiskit.circuit.QuantumCircuit "qiskit.circuit.QuantumCircuit").
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```python
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from qiskit import QuantumCircuit
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from qiskit.quantum_info import Clifford, random_clifford
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qc = QuantumCircuit(3)
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cliff = random_clifford(2)
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qc.append(cliff, [0, 1])
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qc.ccx(0, 1, 2)
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qc.draw('mpl')
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```
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## Attributes
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### name
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<Attribute id="qiskit.circuit.Operation.name">
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Unique string identifier for operation type.
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</Attribute>
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### num\_clbits
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<Attribute id="qiskit.circuit.Operation.num_clbits">
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Number of classical bits.
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</Attribute>
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### num\_qubits
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<Attribute id="qiskit.circuit.Operation.num_qubits">
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Number of qubits.
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</Attribute>
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</Class>
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