CONTAINS Function (DAX)
Returns true if values for all referred columns exist, or are contained, in those columns; otherwise, the function returns false.
Any DAX expression that returns a table of data.
The name of an existing column, using standard DAX syntax. It cannot be an expression.
Any DAX expression that returns a single scalar value, that is to be sought in columnName. The expression is to be evaluated exactly once and before it is passed to the argument list.
A value of TRUE if each specified value can be found in the corresponding columnName, or are contained, in those columns; otherwise, the function returns FALSE.
The arguments columnName and value must come in pairs; otherwise an error is returned.
columnName must belong to the specified table, or to a table that is related to table.
If columnName refers to a column in a related table then it must be fully qualified; otherwise, an error is returned.
The following example creates a calculated measure that tells you whether there were any Internet sales of the product 214 and to customer 11185 at the same time.
=CONTAINS(InternetSales, [ProductKey], 214, [CustomerKey], 11185)