Function hasOutputString

source/MaterialXCore/Interface.h:122–125

Return true if this element has an output string.

    /// Return true if this element has an output string.
    bool hasOutputString() const
    {
        return hasAttribute(OUTPUT_ATTRIBUTE);
    }

    /// Set the output to which this input is connected.  If the output
    /// argument is null, then any existing output connection will be cleared.