AllAccess |
Both read and write access to environment variables is specified. |
NoAccess |
No access to environment variables is specified. |
Read |
Only read access to environment variables is specified. Changing, deleting and creating environment variables is not included in this access level. |
Write |
Only write access to environment variables is specified. Write access includes creating and deleting environment variables as well as changing existing values. Reading environment variables is not included in this access level. |