Load the metadata of the originating transaction into a slot
If the Hook is being Weakly Executed then emplace the metadata of the originating transaction into the slot specified or into a new slot if no slot is specified
C
C
slot_no
uint32_t
The slot number to emplace into, or 0 if you wish to pick the next available.
int64_t
The slot the otxn was placed in
INVALID_ARGUMENT
- specified slot number exceeds the largest possible slot number
NO_FREE_SLOTS
- the request could not granted because no free slot was avaialble to place the originating transaction into.
PREREQUISITE_NOT_MET
- The hook is being and therefore no transactional metadata is available.