FilterSyntax
| Field | NULL | Description | Note | 
|---|---|---|---|
| syntax string | The filter syntax | ||
| availableFilter array of integers | The list of filters index number, from 1 up to n | ||
| filterFields array of objects | The list of filter fields being used in the syntax, an array of ReportFilterField objects | 
Sample:
{"availableFilter":[1,2,3,4],"syntax":"(1 OR 2) AND (3 OR 4)"}