Automatic message forward

when received message perticular number to forward automatically with in 30 sec to click ok then stop forward otherwise forward mit app inventor how to develop please need code and steps for project

message from where? How do you receive it? forward to where? how?

When receive messages for GSM
Application when open with popup 30sec click ok button not forward otherwise time complete forward automatically with other mobile number

I'm not promoting other services here but since apps built on AI2 are unable to run in the background, your best bet will be to use a service like IFTTT which will allow you so do exactly what you want to achieve.