QProcessEnvironment env = QProcessEnvironment::systemEnvironment(); env.insert("CUSTOM_VAR", "custom_val"); process.setProcessEnvironment(env);
QProcessEnvironment env; env.insert("PATH", "/usr/bin"); process.setProcessEnvironment(env);This example creates an empty QProcessEnvironment object 'env' and adds a new PATH variable with value "/usr/bin". It then sets this new environment using setProcessEnvironment() function. Package library: Qt5Core.