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Chad Dionis

 Tutorial 1 - Part 5 - Step 2 
An Execute Internal performs an action on the internal Fido database. The ExecuteString is parsed to determine what action to take. If any parameter is prepended by a %, the frame variable is dereferenced and the object is used. The first word is used to determine the internal action to perform. There is a list of valid internal actions on the web site. The other words are parsed as parameters. The string "link %actor hasa %object" says to the system, create a hasa link between the object in the actor frame slot to the object in the object frame slot.

To add a new instruction, select Instruction Table from the main page. Then click on Add a new Execute Internal Instruction link. In the dialog, enter link %actor hasa %object into the Internal Command field.

The resulting table should look like the following:

ActionsInstruction IdTypeExecute StringFrame SlotOperatorLink NameObject IdAttribute Name
2 Execute Internal link %actor hasa %object

A unique instruction id will be automatically assigned by the system. This id is needed by the next step in the tutorial.

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Last modified: September 22 2002 00:35:24
© 2002 Fido Development Team