$onlyIfMessageContains
The command can only be executed if the 'text' contains all the 'indexes', otherwise the 'errorMessage' is returned.
Usage
$onlyIfMessageContains[message;word;...;errorMessage]
Parameters
message(Type: String || Flag: Emptiable): The text to check.word(Type: String || Flag: Emptiable): The words that the message must contain. Separate words using;.errorMessage(Type: String || Flag: Emptiable): The message that is returned if the text doesn't contain all the provided words.