To update an item:
To update an item:
update item
Graphs are a superseded capability. For more information see Appendix F, Superseded Practices.
When G2 executes the update action, the item is updated programmatically. The update action is the only means of updating charts. An example is:
 |
This example changes the status of every gas-tank to
new-level, and directly updates every readout table on the gas-tanks-filling workspace. Updating a Variable
To update a variable:
update variable
Using the
update action for a variable with an unsolvable formula causes G2 to retry continuously to obtain a variable value after failure once the action is invoked. Such behavior can adversely affect KB performance. To avoid constant retries from occurring, make appropriate adjustments to the Timeout-for-variables and the Retry-interval-after-timeout attributes of the Inference Engine Parameters system table.