Run DAX expression conditionally

Markzolotoy try this:

DEFINE
VAR __RunQuery = FALSE () --set value to TRUE () if you want to run the query
EVALUATE 
SUMMARIZECOLUMNS(
   'RealTimeServiceTypeSummary'[PointCount], 
   'RealTimeServiceTypeSummary'[RealTimeServiceTypeName],
   FILTER ( 'RealTimeServiceTypeSummary', __RunQuery )
)