TOJSON
Applies to: 
Calculated column
Calculated table
Measure
Visual calculation
Returns a table as a string using JSON format.
Syntax
TOJSON(<Table>, [MaxRows])
Parameters
| Term | Definition |
|---|---|
| Table | The table to be converted to JSON. |
| MaxRows | (Optional) The maximum number fo rows to convert. Default is 10 rows. |
Return value
A string with JSON representation of the table. The representation contains column names as "header", count-of-rows as “rowCount”, and values as “data”.
Example
The following DAX query:
EVALUATE
{TOJSON(DimSalesTerritory)}
Returns:
{
"header": ["'DimSalesTerritory'[SalesTerritoryKey]", "'DimSalesTerritory'[SalesTerritoryAlternateKey]", "'DimSalesTerritory'[SalesTerritoryRegion]", "'DimSalesTerritory'[SalesTerritoryCountry]", "'DimSalesTerritory'[SalesTerritoryGroup]"],<br>
"rowCount": 11,
"data": [
[1, 1, "Northwest", "United States", "North America"],
[2, 2, "Northeast", "United States", "North America"],
[3, 3, "Central", "United States", "North America"],
[4, 4, "Southwest", "United States", "North America"],
[5, 5, "Southeast", "United States", "North America"],
[6, 6, "Canada", "Canada", "North America"],
[7, 7, "France", "France", "Europe"],
[8, 8, "Germany", "Germany", "Europe"],
[9, 9, "Australia", "Australia", "Pacific"],
[10, 10, "United Kingdom", "United Kingdom", "Europe"]
]
}