Map Embedded Line Properties Dialog Box, General
Select General on the Map Embedded Line Properties dialog box to change the display or data options for the selected line. These options apply only to the selected line and override options set on the Map Line Properties Dialog Box, General page or on color or line width rules for this layer.
For more information, see How to: Change Map Legends, Color Scale, and Associated Rules (Report Builder 3.0 and SSRS).
Override the line options for this layer
Select this option to override the default display options for this line.
Select a value or type an expression that represents the line width.
The read-only name of the embedded data field.
Type a value for the data field. When you change this value, you are changing the data that is embedded in the report definition. The original data is not preserved.