Short Name: Set Lib Tag
Requires: Base Development System
Class: Library Methods
To Use: Create a method.
Sets a tag on the LabVIEW project library.
![]()  | Note The LabVIEW Datalogging and Supervisory Control Module supports this method in the Run-Time Engine. | 
| Data type | Name | Required | Description | 
|---|---|---|---|
![]()  | tag name | Yes | Specifies the name of the tag on the project library. | 
![]()  | value | Yes | Specifies the value of the tag. | 
![]()  | is persistent | No | Specifies whether the tag is persistent. The default is FALSE, which is not persistent. | 
![]()  | item ref | No | Contains a reference to the project library. | 
The following table lists the characteristics of this method.
| Data type | No return value | 
| 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 | No | 
| Need to authenticate before use | No | 
| Loads the block diagram into memory | No | 
| Remote access allowed | Yes |