Tinderbox v9 Icon


Operator Type: 

Operator Scope of Action: 

Operator Purpose: 

Operator First Added: 

Operator Altered: 

 Function   [other Function type actions]

 Item   [operators of similar scope]

 Query Boolean   [other Query Boolean operators]



The expression:


is true if the dictionary contains the designated key or case variations of it.

Dictionaries are case-sensitive, and Dictionary.contains(key) is available for case-sensitive matching.