Updates existing information into a data extension as indicated by the array containing the listed column name and value pairs. You can include multiple column name and value parts in a single call. You can use this method in non-sendable contexts, such as landing pages. This call returns the number of rows modified.
UpdateData(1, 2, 3, 4, 5)
|Name of data extension
|Array containing column names to filter on
|Array containing values to filter on
|Array containing column names to include updates
|Array containing column values to update