{{ }} Substitute variables
Adjust the variable values according to your preference.
Policy Code
Referenced from: https://cloud.google.com/iam/docs/policies#basic
1{
2 "bindings": [
3 {
4 "members": [
5 "user:{{useremail}}"
6 ],
7 "role": "{{role}}"
8 }
9 ],
10 "etag": "{{etag}}",
11 "version": 1
12}
DOC
Set the {{useremail}} and {{role}} variables according to preference.