# Tag Manager

The Tag Manager is used to add, edit and remove tags in a project. Each row in the table contains a Cognex Designer tag.

Property | Description
--- | ---
Name | Specifies a unique name to identify the tag. The tag name must be unique, and may only contain alphanumeric or underscore characters. Can contain '.' but cannot start or end with it.
Comment | A text field where the user can enter additional information about the tag.
Data Type | Specifies the data type of the tag, using the Data Type Selector. Note: Tags can also contain an array of data, such as an array of integers or an array of blobs. These types of tags can be created by pressing the ... button to launch the Complex Type Selector dialog. For more information about creating an array data type for a tag, see the Creating an Array with the Complex Type Selector Dialog topic.
Value | Specifies the initial default value/setting of the tag.
R/O | Specifies whether or not the tag value is Read only.
Selected Path (Optional) | Specifies the device path where the data should be loaded. Note: See Selected Path for more details.
Persistent | Specifies whether or not the tag value should be saved on shutdown, and reloaded when the application starts up again.