The programming reference is:
»
www.cisco.com/en/US/prod ··· ist.htmlAnd some scripts present in the repository are under version 7 in the zip file:
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www.cisco.com/en/US/prod ··· ist.htmlI do recall some other scripts also stored as a zip file but that was for several releases ago and can't find them now.
Get your script started and then if you have any issues, let us know as it would be easier to troubleshoot an existing script rather than create one from scratch on a forum.
Also check the data sheet for version 7 if something doesn't work as expected to ensure that it is supported.