You can learn how to add one tag at a time to a project from this knowledge base article

The tag number must be unique. Mandatory field;

Number of characters permitted: Minimum: 2; Maximum: 50; The only special characters allowed are / -()#., A space is considered to be a special character

The title of this tag. 

Number of characters permitted: Maximum: 100

Equipment Number: Enter equipment number, if the tag is for an equipment;

Line Number: Enter the line number, if the tag is for a pipe spool;

Line Class: Enter the line class, if the tag is for a pipe spool;

These 3 fields are optional. Number of characters permitted: Maximum: 48 for equipment and line numbers & 12 for line class

NDE requirements for a tag can be different from that of the project. Only those NDE types selected for a project will be shown with the values set to the NDE requirements of the project. The settings can be changed. 

The drawings that are added to a tag will have the same settings as that of the tag they are added to

General comments or remarks about this drawing