Setting a Value for NULL JSON Values in REST Responses
There is a configuration parameter that you can use to set the value of a JSON null the occurs in a REST response. The default value for the parameter is "json_key": NULL. If that value is acceptable, there is nothing to do. If you would like to customize that value, you can use the following steps.
To set a value for NULL JSON values in REST response
1. Within Studio, select Administration > Configuration.
2. In the Configuration window, navigate to JSON NULL Value in REST Response.
3. Accept the value of null or type a value that you want to assign to all NULL JSON values in a REST response.
4. Click OK.