To save time and make sure you're delivering a consistent message, you can add saved replies to issue and pull request comments.
About saved replies
You can use a saved reply to respond to an issue or pull request.
Creating a saved reply
If you frequently add the same comment over and over, you can create a saved reply.
Changing a saved reply
If you have a saved reply that has an error or isn't saying exactly what you'd like, you can make it more useful by changing it.
Deleting a saved reply
If you find that you're no longer using a saved reply, you can delete it.
Using saved replies
When commenting on an issue or pull request, you can add a saved reply that you've already set up. The saved reply can be the entire comment or if you want to customize it, you can add or delete content.