Modifies a chat message with the given text
Takes an index, were 1 means the last message on chat
Setting the message to nil will effectively remove it from the chat
overload 1:
host:setChatMessage(index)
| Method Property | Fluent Description | Representation |
| index accepts | an Integer | |
| Return Value | a HostAPI | |
overload 2:
host:setChatMessage(index, newMessage)
| Method Property | Fluent Description | Representation |
| index accepts | an Integer | |
| newMessage accepts | a String | |
| Return Value | a HostAPI | |
overload 3:
host:setChatMessage(index, newMessage, backgroundColor)
| Method Property | Fluent Description | Representation |
| index accepts | an Integer | |
| newMessage accepts | a String | |
| backgroundColor accepts | a Vector3 | |
| Return Value | a HostAPI | |