ADDCOLUMNS
Applies to: 
Calculated column
Calculated table
Measure
Visual calculation
Adds calculated columns to the given table or table expression.
Syntax
ADDCOLUMNS(<table>, <name>, <expression>[, <name>, <expression>]…)
Parameters
| Term | Definition |
|---|---|
| table | Any DAX expression that returns a table of data. |
| name | The name given to the column, enclosed in double quotes. |
| expression | Any DAX expression that returns a scalar expression, evaluated for each row of table. |
Return value
A table with all its original columns and the added ones.
Remarks
This function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules.
Example
The following example returns an extended version of the Product Category table that includes total sales values from the reseller channel and the internet sales.
ADDCOLUMNS(ProductCategory
, "Internet Sales", SUMX(RELATEDTABLE(InternetSales_USD), InternetSales_USD[SalesAmount_USD])
, "Reseller Sales", SUMX(RELATEDTABLE(ResellerSales_USD), ResellerSales_USD[SalesAmount_USD]))
The following table shows a preview of the data as it would be received by any function expecting to receive a table:
| ProductCategory[ProductCategoryName] | ProductCategory[ProductCategoryAlternateKey] | ProductCategory[ProductCategoryKey] | [Internet Sales] | [Reseller Sales] |
|---|---|---|---|---|
| Bikes | 1 | 1 | 25107749.77 | 63084675.04 |
| Components | 2 | 2 | 11205837.96 | |
| Clothing | 3 | 3 | 306157.5829 | 1669943.267 |
| Accessories | 4 | 4 | 640920.1338 | 534301.9888 |