Attribute Model

Field	Type	Mandatory	Meaning
id	integer	yes	unique id of the attribute
name	string	yes	the name of the attribute
description	string	yes	the description of the attribute
unique	boolean	yes	specifies if the attribute cannot have repeated values. If true the value must be different for every user.
mandatory	boolean	yes	specifies if the attribute needs to have a value.

Example

{
 id: 6,
 name: "AT3",
 description: "AT3",
 unique: true,
 mandatory: true
}