contains( )

Refines a query to match items whose specified property value contains a specified string.

The contains() method refines this query to only match items where the value of the specified property contains the specified string. Matching with contains() is not case sensitive, so "text" does contain "Tex".

You can use contains() with a property whose value is a String or a Reference. For properties of type reference it is recommended that you use the eq() method instead of contains(). With properties that are References, contains() matches by the ID of the referenced item as a String.