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# ClusterThreshold

The minimum mutual relevance (`0`-`10`0) to group documents into a cluster.

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. `ClusterThreshold` specifies the percentage relevance that results must have to each other to be grouped in one cluster.

Type: | Long
Default: | 50
Allowed Range: | Minimum: 0 Maximum: 100
Recommended Range: | Minimum: 20 Maximum: 70
Configuration Section: | Server
Example: | `ClusterThreshold=30`
See Also: |

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