Short Name: Is External
Requires: VI Scripting
Class: DataValRefNumConstant Properties
To Use: Create a property.
Gets or sets whether the data value reference is an external data value reference. You also can change a data value reference to an external data value reference by right-clicking the data value reference and selecting External from the shortcut menu.
The following table lists the characteristics of this property.
| Data type | |
| Permissions | Read/Write |
| Available in Run-Time Engine | No |
| Available in Real-Time Operating System | No |
| Settable when the VI is running | No |
| Loads the front panel into memory | Yes |
| Need to authenticate before use | No |
| Loads the block diagram into memory | Yes |
| Remote access allowed | Yes |