# Using a wildcard to filter VMs

Use the **Wildcard** input field at the bottom of the **Pools** tab to specify a wildcard to indicate which hosts should be available for users. If a VM name matches the wildcard, it will be available. If not, the users will not be able to use it. Use the asterisk operator (\*) to specify a wildcard (e.g. `ABC*`, `*ABC*`).
