Send email with attachment on my flutter IOS and android apps

Hi flutter developers, I have a website and apps (both IOS and Android) using flutter. I just want to implement simple task on my apps. just a form with 2 input fields, when customer give their email address and invoice number on form 2 fields then data will save in my sql database and 2 email will sent to customer and shop owener with some data. I have done it on my website I will send you a video of website then you will understand more easily. I just want to implement same featuer on my IOS and android apps. my website built on laravel.so you need to create api for that. apps: https://play.google.com/store/apps/details?id=com.atoztechnologies.thatsmontreal let me know if you can do this. thanks