"Please note: If the ID is not specified, the IDs in the URLs will not be replaced inside the content."
HubSpot does not currently allow bulk syncing. You can only sync files one by one.
"Please note: If the folder ID is not specified, the file will be stored in the root directory."
"Please note: Quotes should be transfered first."
"Please note: Before initiating the sync, please ensure that a Template has been created on the other API."