User Guide > Designing and Executing Map > Managing Constants > Adding Constants
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Adding Constants
You can add constants on the Sources tab or Mapping tab.
Note:  You cannot add constants for event or action parameter expression or for Process Designer expression.
To add a constant:
1. Do one of the following:
• On the Sources tab, select Constants from the Select Source drop-down filter.
• On the Mapping tab > Simple View > Source grid, select Constants from the drop-down filter.
• On the Mapping tab > Advanced View, click Constants node in the Source tree view.
• On the Map Navigator, click Constants node.
The Constants pane is displayed.
2. Click or right-click and select Add Constant.
The constant is added to the constants grid.
3. Click within the cell and specify the following information:
 
Column Name
Description
Name
Name of the constant.
Description
Description of the constant.
Type
Select any of the following data type:
• Boolean
• Byte
• Bytes
• Char
• Date
• Date/Time
• Decimal
• Double
• Float
• Int
• Long
• Short
• String
• Time
Value Expression
Type a value or click and specify an EZscript expression.
Note:  The value must be added within the double quotations. For example, “43”.
For more details about adding an EZscript, see Exploring EZscript Expressions Window.
4. To add multiple constants, repeat step 2 and 3.
Note:  You cannot reorder constants.
5. To undo or redo an action:
a. To undo, on the Sources tab, right-click and select Undo Add New Constant or Undo Delete Constant based on the previous action.
b. To redo, on the Sources tab, right-click and select Redo Add New Constant or Redo Delete Constant based on the required action.
Last modified date: 10/22/2024