Only for SQL

type: boolean

[defaultvalue]: 1|0, default is 0

[value_1]: "string for value 1" | default is yes

[value_0]: "string for value 0" | default is no

{
	...
        "fields": {
          "field_name": {
            "name": "¿Activo?",
            "type": "bit",
            "defaultvalue": 1,
            "value_1": "yes",
            "value_0": "no"
          }
        }
	...
}