Getting induced output 39 weeks

Hey ladies I am 34 weeks and 1 day pregnant with baby number 4 a girl. I currently have a 10 year old daughter, 8 year old daughter and 6 year old son. I have gestational diabetes and I'm onto lots of insulin had my appointment today and have been told that I am having my baby girl at 39 weeks I was due July 9th but could be looking out July 2nd can people please tell me what it's like to be induced as I have no idea thank you