Auto-Tagging allows you to pass a custom value (with a maximum length of 64 characters) via the URL you use for your waiver. The value you use could be any unique identifier for the participant signing the waiver such as a customer number. When a waiver is completed using this link the waiver will automatically be tagged with this value.
How to use Auto-Tag on your waivers:
Anyone Else Need to Sign?
By default, "auto_anyoneelseneedtosign" is set to 1 but you can explicitly set it to 1 to re-enable "Anyone else needs to sign" after disabling it on the same computer.