null (nil) value

Some parameters support the null value. The descriptions of these parameters indicate “nillable”.

JSON

"_field_name_": null

SOAP

<_field_name_ xsi:nil="true">

Resetting (clearing) a parameter

In the update and set methods, you can pass null to delete the value for such a parameter.

Getting a parameter

If a parameter is requested but its value is not set, the get method returns null.