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**Set****HistoryThreshold**** (**// number //**)**

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| **SetHistoryThreshold** | Specifies the amount of error history items to store. |
| //number// | An integer constant, variable, EQUATE, or expression that sets the number of items to store in the error log file. |

**SetHistoryThreshold** sets the value of the ErrorClass [[historythreshold  determine size of error history .htm|HistoryThreshold]] private property, which sets the number of items to store in the error log file.

Setting the //number// to -1 keeps all errors. Setting //number// to 0 switches off error history logging.

**See Also:** [[gethistorythreshold get size of error history .htm|GetHistoryThreshold]]