A .csv with a list of areas. It must include a header (Ex: name,geom,tags). The data of the geom field must contain the points that form the area, separating each point by vertical bar "|" and each coordinates by white space " " (Ex: longitude1 latitude1|longitude2 latutude2|longitude3 latitude3|...). If they are decimals it will be used point "." as separator. Example

name, geom, tags
home, -1.723579 3.723579|-2.476532 6.476532|-2.789804 6.789804|-2.916212 6.916212, "dog, home"