ImageGearJava Project > com.accusoft.imagegear.formats.iptc Package > ImGearIPTCMetadata Class : getEnvelopeNumber Method |
Method returnsthe tag value if the tag is present in the metadata tree, or null otherwise.
This method accesses the EnvelopeNumber DataSet (1:40). Characters of the DataSet form a number that will be unique for the date specified in 1:70 and for the Service Identifier specified in 1:30.
Contains eight bytes, consisting of numeric characters.
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See the IPTC - NAA Information Interchange Model ver. 4.1 specification for tag usage details.