Check each query filter, including its field name, operator, and filter value.
检查每一个查询筛选，包括它的字段名，操作者以及筛选值。
2
To enter a String value using the equals operator, type directly into the value field.
在使用equals操作符时，在Value框中直接输入字符串值。
3
This value can be changed or edited by the operator, a Set button can be pressed, and when this is done, a property is fired off with the current value in the edit field.