MAP_VAR_T
Represents a MAP variable.
This topic lists the expressions that are provided by this class.
VALUECOUNT
Returns an unsigned long count of the current number of
values in the map variable instance.
Returns: unsigned_long_at
VALUEEXISTS(text_tvalue_selector)
Returns true if there is a value in the variable instance
selected by the value_selector expression; i.e., a key for a
map. Otherwise returns false.
Parameters:
value_selector -
Key
Returns: bool_at