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The QKnowledgebaseVersion is a special parameter enabling the Knowledge Engineer to the Knowledge Engineer to manage versions of a knowledge base while leaving the file name the same.

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The QKnowledgebaseVersion parameter however will always change to the latest Fixed KB value. In other words, when you restart your solution in a project based on an old knowledge base, with a new knowledge base, it will contain the new value for QKnowledgebaseVersion indicating the new knowledge is used.

See also Quaestor also Quaestor version management.

In the Dataset part of the QKnowledgebaseVersion parameter you can use special attribute to manager behaviour for the total knowledge based system, such as @NORANGEALLOWEDas @NORANGEALLOWED, @NOSPACESINPROJECT, @REPLACESPACESINPROJECT and the standard attribute @SHOWASFIRST. , @REPLACESPACESINPROJECT, @PROJECT_CREATION_REQUIRES_KE_RIGHTS and the standard attribute @SHOWASFIRST.

Starting with Quaestor version 3.1.2.4, the following attributes can be used in the Dataset of the QKnowledgebaseVersion parameter for changing the text displayed by the Start, Stop and Process Manager buttons in the Workbase: 

@DATA_INPUT_CAPTION:
Default value = "Data input"

@NEXT_CAPTION:
Default value = "Next"

@STOP_INPUT_CAPTION:
Default value = "Stop input"

@NEW_SOLUTION_CAPTION:
Default value = "New Solution"

@RESTART_CAPTION:
Default value = "Restart " + ProcessName(DataThread)

@RETURN_TO_PARENT_CAPTION:
Default value = "Return to Parent"

@PROCESSING_CAPTION:
Default value = "Processing..."

@PROCESSMANAGER_CAPTION:
Default value = "Process Manager"