RecruitingPhase 4Behavioural interventionUsing Multiphase Optimization Strategy (MOST) to Optimize a Cost-effective, Sustainable and Scalable Smoking Cessation Package for Smokers in HIV Clinical CareThis study's long-term goal is to improve clinical outcomes among smokers living with HIV (SLWH) by providing smoking cessation interventions in HIV clinical care that will increase the chances of quitting smoking, limits costs and burden on staff and reach many smokers living with HIV.