Filters query results by evaluating the value of expressions. Supports four types of operators:

• Comparison: q=[attribute][comparison operator][value] e.g. id=100, id!=100, id>100
• Logical: q=[expression][logical operator][expression] e.g. id=100 AND name="xyz" , id=100 OR type="abc"
• List: q=[attribute][list operator][values list] e.g. id IN (1,2,3], name NOT IN ("abc","xyz")
• Matching: q=[attribute][comparison operator][pattern], e.g. name LIKE "abc " , type NOT LIKE " xyz* "
  To learn more, see Filter Exposure Data.

Sort order of records returned. One of ASC (ascending) or DESC (descending).