During his posting, he was assigned to head the newly created immigration office responsible for the recruitment of new immigrants and workers for the agriculture fields, unfortunately among this contingent of workers arrived in Argentina a large number of French revolutionaries.
While stationed there, he took charge of the newly formed immigration office, which focused on bringing in new immigrants and laborers to work in the country's agriculture sector.  However, a large contingent of French revolutionaries ended up joining this workforce that arrived in Argentina.