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---
title: dag_to_dagdependency
description: API reference for qiskit.converters.dag_to_dagdependency
in_page_toc_min_heading_level: 1
python_api_type: function
python_api_name: qiskit.converters.dag_to_dagdependency
---
<span id="qiskit-converters-dag-to-dagdependency" />
# qiskit.converters.dag\_to\_dagdependency
<Function id="qiskit.converters.dag_to_dagdependency" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.24/qiskit/converters/dag_to_dagdependency.py" signature="dag_to_dagdependency(dag, create_preds_and_succs=True)">
Build a `DAGDependency` object from a `DAGCircuit`.
**Parameters**
* **dag** ([*DAGCircuit*](qiskit.dagcircuit.DAGCircuit "qiskit.dagcircuit.DAGCircuit")) the input dag.
* **create\_preds\_and\_succs** (*bool*) whether to construct lists of predecessors and successors for every node.
**Returns**
the DAG representing the input circuit as a dag dependency.
**Return type**
[DAGDependency](qiskit.dagcircuit.DAGDependency "qiskit.dagcircuit.DAGDependency")
</Function>