Parameter in package.json pass at run time

Hello hiring member i hope you are doing well i am bhavika i have 3+years experience in php , laravel , ajax , jquery , javascript , html ,css also i have done many api thongs with json and xml so i can do it so please give me chance to serve you thanks in advance :)

Hello, employer. I am full stack web developer from China. I have already read your description carefully, understood your requirements almost, let us discuss more details via chat. Your current project is suitable for me, i think. If you hire me, I will do my best for you. Waiting for your positive response in here. Best Regards.

i will do this in less amount to others,,, give it to me i never regret your decision it give me... thanks

Hello. This is fairly easy to do. On what environment your app run? Is it on node or browser? I'll be glad to be able to help