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This APPT packet holds information about User Flow, which records the path, or flow, a user took through a series of screens in order to build a transaction. It is typically used to record the complete operation, such as values input and decisions made.
| Arg# | Binary | Description |
| 2 | 'E' | Required. Constant '271' |
| 3 | 'E' | Required. Constant '21' |
| 100 | 's' | Txk, where available |
| 101 | 's' | Creating file name, typically the constant __FILE__ from a C compiler |
| 102 | 's' | Date source code created __DATE__ from a C compiler |
| 103 | 's' | Time source code created __TIME__ from a C compiler |
| 104 | 'y' | Date/Time is flow was started |
| 105 | 'E' | Srcuid |
| 110 | 's' | Function Name. Typically seen in child packets when a routine is called asyncronously and this field stores the name of the routine. |
| 111 | 'E' | Records that a __LINE__ was passed |
| 112 | 'E' | Records that a __LINE__ was passed and the line is considered abnormal in that it is the less common path |
| 113 | 'E' | Records that a __LINE__ was passed and that the line is typically associated with error conditions |
| 115 | Varies | Optional data associated with the line (f111, f112 or f113) just processed. |
| 116 | 'E' | Stored before a line to indicate that the next line is from a different module to the one normally in use |
| 118 | 'E' | Timestamp as delta offset in mS from f104 |
| 190 | 'E' | Records that a StandardScreen is being started |
| 191 | 'E' | Records that the standard screen has closed and the status of this is the value. |
| 200 | 'E' | Supplier Id |
| 201 | 'E' | Sale Id |
| 202 | 'E' | Teller Id |
| 203 | 'E' | Saleline control. Value is operation performed. Generally immediately followed by saleline APPT. Codes: 4=item deleted from sale |
| 204 | 'E' | Employee Id |
| 600 | 's' | Document reference, such as invoice number |
| 601 | 's' | Document date for document in f600 |
| 602 | 's' | Document expected total |
| 610 | 's' | Variant Description |
| 611 | 's' | Variant Price |
| 612 | 's' | Line Cost |
| 613 | 's' | Return date |
This packet may also include sub packets of any type, to hold additional information.
This packet relies on the sequence of information being stored into the packet to explain the flow over time. It should not be processed into JSON formats, as this will lose the sequential nature of this packet.