Copies the value of the Source Keyword on a related item into the value of the Destination Keyword on the active item.
If the source and destination Keyword Types are both an Alphanumeric Data Type and the source Keyword Type is longer than the maximum configured length of the destination Keyword Type, then you can select the Allow copy if value is longer than the keyword type checkbox to truncate the source keyword's length to fit within the Destination Keyword field.