SCTE 35 Part 1
segmentation_upid
segmentation_descriptor
The identifier payload for the segment, decoded according to segmentation_upid_type. It names what the segment is, for example a program, an advertisement, or a placement opportunity.
segmentation_descriptor
The identifier payload for the segment, decoded according to segmentation_upid_type. It names what the segment is, for example a program, an advertisement, or a placement opportunity.