diff --git a/openstack/identity/v3/roles/requests.go b/openstack/identity/v3/roles/requests.go
new file mode 100644
index 0000000..cfa1b38
--- /dev/null
+++ b/openstack/identity/v3/roles/requests.go
@@ -0,0 +1,31 @@
+package roles
+
+import (
+	"github.com/rackspace/gophercloud"
+	"github.com/rackspace/gophercloud/pagination"
+)
+
+// RoleAssignmentsOpts allows you to query the RoleAssignments method.
+type RoleAssignmentsOpts struct {
+	GroupId        string `q:"group.id"`
+	RoleId         string `q:"role.id"`
+	ScopeDomainId  string `q:"scope.domain.id"`
+	ScopeProjectId string `q:"scope.project.id"`
+	UserId         string `q:"user.id"`
+	Effective      bool   `q:"effective"`
+}
+
+// RoleAssignments enumerates the roles assigned to a specified resource.
+func RoleAssignments(client *gophercloud.ServiceClient, opts RoleAssignmentsOpts) pagination.Pager {
+	u := roleAssignmentsURL(client)
+	q, err := gophercloud.BuildQueryString(opts)
+	if err != nil {
+		return pagination.Pager{Err: err}
+	}
+	u += q.String()
+	createPage := func(r pagination.PageResult) pagination.Page {
+		return RoleAssignmentsPage{pagination.LinkedPageBase{PageResult: r}}
+	}
+
+	return pagination.NewPager(client, u, createPage)
+}