EVALUATEANDLOG DAX Function

Evaluate a scalar or table expression returning the value and sending the same result to the DAX Evaluation Log event in JSON Format.

Syntax

EVALUATEANDLOG ( <Expression> [, <Label> [, <MaxRows> ]] )
Parameter Attributes Description
Expression

The value of this expression will be returned as well as sent, in JSON Format, to the DAX Evaluation Log event.

Label Optional

When specified, it is included in the Label column of the DAX Evaluation Log event as well as a part of the JSON payload.

MaxRows Optional

Specify the number of rows to return in case of a table expression. The default value is 10.

Return values

Scalar A single variant value.

The result of the evaluated Expression.

Remarks

The DAX Evaluation Log is a trace event that can be captured by SQL Server Profiler or by the DAX Debug Output tool.

Related articles

Learn more about EVALUATEANDLOG in the following articles:

Last update: Aug 16, 2022   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo

Microsoft documentation not available.
The function may be undocumented or unsupported. Check the Compatibility box on this page.

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Context Transition

This function performs a Context Transition if called in a Row Context. Click to read more.

Row Context

This expression is executed in a Row Context. Click to read more.

Iterator

Not recommended

The use of this function is not recommended. See Remarks and Related functions for alternatives.

Not recommended

The use of this parameter is not recommended.

Deprecated

This function is deprecated. Jump to the Alternatives section to see the function to use.

Volatile

A volatile function may return a different result every time you call it, even if you provide the same arguments. Click to read more.

Deprecated

This parameter is deprecated and its use is not recommended.

DirectQuery compatibility

Limitations are placed on DAX expressions allowed in measures and calculated columns.
The state below shows the DirectQuery compatibility of the DAX function.

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