DeleteData

Deletes rows in a data extension with column values specified in name value pairs. Returns the number of rows affected. You can also use this function with SMS data.

DeleteData(1, 2, 3)

Ordinal	Type		Description
1	string	Required	Name of data extension from which to delete specified row
2	string	Required	Name of column used to identify rows to delete.
3	string	Required	Value used to identify rows to delete.

The system deletes rows in the SendDE data extension whose _SubscriberKey column contains the value 12345 and returns the number of rows that were deleted.