$varExists
Checks if a variable exists. Returns true if it exists, otherwise false.
Syntax
$varExists[Name]
Parameters
Name(Type: String || Flag: Required): The variable's name to check.
Example
$nomention
$varExists[$message]
Checks if a variable exists. Returns true if it exists, otherwise false.
$varExists[Name]
Name (Type: String || Flag: Required): The variable's name to check.$nomention
$varExists[$message]