# `describe_cluster_instances`


```
describe_cluster_instances(cluster_name, region, next_token, node_type, queue_name)
```

Describe a cluster's instances.Parameters:

**`cluster_name` (required)**  
The cluster name.

**`region`**  
The cluster AWS Region.

**`next_token`**  
The token for the next set of results.

**`node_type`**  
Filters the instances by `node_type`.  
Valid values: `HeadNode` \$1 `ComputeNode`

**`queue_name`**  
Filters the instances by queue name.