# Amazon VPC Lattice - Example: Service Associations
This example shows how you can use the VPC Lattice module to create Service Associations to an existing Service Network (created in a separate call of the VPC Lattice module). In the `outputs.tf` file, you can see an example on how to obtain the Services information (ID, DNS name, and Service Association ID).
## Requirements
| Name | Version |
|------|---------|
| [terraform](#requirement\_terraform) | >= 1.3.0 |
| [aws](#requirement\_aws) | >= 4.66.0 |
## Providers
No providers.
## Modules
| Name | Source | Version |
|------|--------|---------|
| [service\_network](#module\_service\_network) | ../.. | n/a |
| [services](#module\_services) | ../.. | n/a |
## Resources
No resources.
## Inputs
| Name | Description | Type | Default | Required |
|------|-------------|------|---------|:--------:|
| [aws\_region](#input\_aws\_region) | AWS Region to use. | `string` | `"eu-west-1"` | no |
## Outputs
| Name | Description |
|------|-------------|
| [services](#output\_services) | VPC Lattice Service ID. |