I have a long String that contains comma-separated values. How can I split that string and save those substrings into List in dart/Flutter?

Please help me to do this
String myname = dd.data.toString();
I have a long String that contains comma-separated values. How can I split that string and save those substrings into List in dart/Flutter?

Please help me to do this
String myname = dd.data.toString();