# ClusterTitleLength

The maximum number of terms (`1`-`50`) in a cluster title.

If you query IDOL Server by using the Query, Suggest, or SuggestOnText action, you can instruct IDOL Server to cluster the results by setting Cluster to `True` in the action. `ClusterTitleLength` specifies the maximum number of terms or phrases that can return as titles for these clusters.

Type: | Long
Default: | 4
Recommended Range: | Minimum: 1 Maximum: 50
Required: | No
Configuration Section: | Server
Example: | `ClusterTitleLength=5`
See Also: |

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