persistent_get¶

Retrieve a value from the Zotonic visitor record.

The visitor record’s value for the key argument is returned:

http://localhost:8000/api/base/persistent_get?key=foo

might return:

{
    "key": "foo",
    "value": null
}

If the value is undefined; or

{
    "key": "foo",
    "value": "bar"
}

If the value was set.