Add or update a permission on a resource
opal.resource_perm_add(
  opal,
  project,
  resource,
  subject,
  type = "user",
  permission
)Opal connection object.
The project name.
The resource name.
A vector of subject identifiers: user names or group names (depending on the type).
The type of subject: user (default) or group.
The permission to apply: view, administrate. The 'view' permission is suitable for DataSHIELD operations.
Other resource functions: 
opal.resource_create(),
opal.resource_delete(),
opal.resource_exists(),
opal.resource_extension_create(),
opal.resource_get(),
opal.resource_perm_delete(),
opal.resource_perm(),
opal.resources_perm_add(),
opal.resources_perm_delete(),
opal.resources_perm(),
opal.resources(),
opal.resource()
if (FALSE) {
o <- opal.login('administrator','password', url='https://opal-demo.obiba.org')
opal.resource_perm_add(o, 'CNSIM', 'CNSIM1', c('andrei', 'valentina'), 'user', 'view')
opal.resource_perm(o, 'CNSIM', 'CNSIM1')
opal.resource_perm_delete(o, 'CNSIM', 'CNSIM1', c('andrei', 'valentina'), 'user')
opal.logout(o)
}