b = hashmap_name.contains(key_value1ʃ, ..., key_valueNʅ);
Description
The HashMap.contains function returns whether or not a specific key exists in a HashMap. Each key_value argument must be a numeric or string expression matching the type specified when declaring the HashMap.
Return Value
The function returns a logical value of 1 (true) if the HashMap contains the key, and 0 (false) otherwise.