Advance directives are again in the heart of debate since the Leonetti-Claeys's law . These pieces of legislation allow everyone to decide by advance their wishes of the end of life.However, it does not seem that to legislate on a subject is enough to apply the text of law. High authority of health suggest that medical and paramedical staff have to participate to the elaboration of the questionnaire and the redaction of advance directives.

So the aim is that ,before asking patient about their knowledge on these advance directive, to evaluate if the staff knows about the law .

Inclusion Criteria:

• nurse
• doctors
• paramedical staff

Exclusion Criteria:

• refusing participation

Every medical and paramedical staff of St JOSEPH'S Hospital (Paris)