# output_port

[flow_graph.output_port]

A template function that returns a reference to a specific output port of a given `split_node`, `indexer_node`, or `composite_node`.

    // Defined in header <oneapi/tbb/flow_graph.h>

    namespace oneapi {
    namespace tbb {
    namespace flow {

        template<size_t N, typename NodeType>
        /*implementation-defined*/& output_port(NodeType &n);

    } // namespace flow
    } // namespace tbb
    } // namespace oneapi

See also:

- split_node Template Class

- multifunction_node Template Class

- composite_node Template Class