# Mainframe Logger Parameters

The following table lists all the mainframe logger parameters supported within the TIBSLOG member:

Parameter | Description
--- | ---
LOGSTREAM-ID{name} | Optional The LOGSTREAM-ID parameter specifies the stream name that contains the log messages, errors, and general information of Substation ES, Mainframe RED, or user application. The records can be displayed by the mainframe logger stream viewer. It can contain up to 26 alphanumeric characters.
STATISTICS {N | Y , N} | Optional The STATISTICS parameter specifies if the Substation ES or user application statistics recording indicator is Y (for yes) or N (for no). The default value is N, denoting no statistics will be captured. There are operational commands to alter this for Substation ES at runtime.
STSSTREAM-ID{ name} | Optional The STSSTREAM-ID parameter specifies the stream name that contains the Substation ES or user application statistics information. The records can be displayed by the stream data viewer. It can contain up to 26 alphanumeric characters.
TRCSTREAM-ID{name} | Optional The TRCSTREAM-ID parameter specifies the stream name, which will contain the Substation ES, Mainframe RED or User application trace messages, errors, and general information. The records can be displayed by the viewer. It can contain up to 26 alphanumeric characters.

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