New command: Add taxonomy term set #602

Add taxonomy term set

command: spo term set add -n|--name <name> --termGroupId [termGroupId] --termGroupName [termGroupName] -i|--id [id] -d|--description [description] --customProperties [customProperties]

• name: Name of the term set to add
• termGroupId: ID of the term group in which to create the term set. Specify termGroupId or termGroupName but not both
• termGroupName: Name of the term group in which to create the term set. Specify termGroupId or termGroupName but not both
• id: ID of the term set to add
• description: Description of the term set to add
• customProperties: JSON object with key-value pairs representing custom properties to set on the term set