$isInteractionRepliable
$isInteractionRepliable will return true or false depending on whether the interaction is able to reply or not.
Usage
$isInteractionRepliableExample(s)
This will return true because the interaction is able reply.
1client.interactionCommand({2    name: "isInteractionRepliable",3    prototype: "slash",4    code: `5$isInteractionRepliable6$interactionReply[I just replied!]7`8});