Создайте почтовый запрос для добавления пользователя в группу с помощью Microsoft Graph Java Sdk

Здесь высокий уровень.

            // ============================================================
        // Create Service Principal

        ServicePrincipal servicePrincipal = authenticated.servicePrincipals().define(servicePrincipalName)
                .withNewApplication("http://" + servicePrincipalName)
                .create();
        // wait till service principal created and propagated
        SdkContext.sleep(15000);
        System.out.println("Created Service Principal:");
        Utils.print(servicePrincipal);
        spId = servicePrincipal.id();

        // ============================================================
        // Assign role to Service Principal

        RoleAssignment roleAssignment2 = authenticated.roleAssignments()
                .define(raName2)
                .forServicePrincipal(servicePrincipal)
                .withBuiltInRole(BuiltInRole.CONTRIBUTOR)
                .withSubscriptionScope(defaultSubscription)
                .create();
        System.out.println("Created Role Assignment:");
        Utils.print(roleAssignment2);

        // ============================================================
        // Create Active Directory groups

        System.out.println("Creating Active Directory group " + groupName1 + "...");
        ActiveDirectoryGroup group1 = authenticated.activeDirectoryGroups()
                .define(groupName1)
                .withEmailAlias(groupEmail1)
                .create();

        System.out.println("Created Active Directory group " + groupName1);
        Utils.print(group1);

        System.out.println("Creating Active Directory group " + groupName2 + "...");
        ActiveDirectoryGroup group2 = authenticated.activeDirectoryGroups()
                .define(groupName2)
                .withEmailAlias(groupEmail2)
                .create();

        System.out.println("Created Active Directory group " + groupName2);
        Utils.print(group2);

        System.out.println("Adding group members to group " + groupName2 + "...");
        group2.update()
                .withMember(user)
                .withMember(servicePrincipal)
                .withMember(group1)
                .apply();
        System.out.println("Group members added to group " + groupName2);
        Utils.print(group2);