Inclusion Criteria:  Mental health day hospital inpatient. Smoker of at least 1 cigarette per day, electronic cigarette, or heated tobacco product daily for at least 1 month. Individuals who accept to participate in the study and give informed consent.  Exclusion Criteria:  Cognitive impairment, dementia, or brain damage. Medically unstable. Explicitly demanding tobacco treatment. Trying to quit smoking using another intervention. Insufficient comprehension skills in Spanish or Catalan.