# Using Private Modules
All users in an organization with **Manage Modules** permission can view the Terrakube private registry and use the available providers and modules.
### Using private modules
Click **Registry** in the main menu. And then click the module you want to use.
In the module page, select the version in the dropdown list
You can copy the code reference from the module page
For example:
```
module "google-network" {
source = "8075-azbuilder-terrakube-gmnub6flawx.ws-us89b.gitpod.io/terrakube/google-network/google"
version = "v6.0.1"
# insert required variables here
}
```
### **Submodules**
If your repository has submodules, Terrakube will scan the **modules** folder to identify all the submodules. Then, you will see a dropdown list with the submodules in the UI.
To view the readme file, inputs, outputs, resources and other information for any submodule, you can choose the submodule you want.
You can also copy the details of how to configure any submodule, just like the main module. Example:
```
module "iam" {
source = "8075-azbuilder-terrakube-7qovhyoq3u9.ws-eu105.gitpod.io/aws/iam/aws//modules/iam-account"
version = "v5.30.0"
# insert required variables here
}
```
In the submodule view you can switch to the differents submodules.
Or you can back to the main module with the **Back** button on the top of the page.
### **Configure Authentication**
When running Terraform on the CLI, you must configure credentials in [.terraformrc or terraform.rc ](https://developer.hashicorp.com/terraform/cli/config/config-file)to access the private modules.
For example:
```
credentials "8075-azbuilder-terrakube-gmnub6flawx.ws-us89b.gitpod.io" {
# valid user API token:
token = "xxxxxx.yyyyyy.zzzzzzzzzzzzz"
}
```
To get the API token you can check [api-tokens](https://docs.terrakube.io/user-guide/organizations/api-tokens "mention").
As an alternative you can run the [terraform login](https://developer.hashicorp.com/terraform/cli/commands/login) command to obtain and save an user API token.
```
terraform login [terrakube hostname]
```
