Tscript Help
There are two scripting languages in TouchDesigner: Python and Tscript. Tscript Commands and Expression help can be found in the Commands and Expressions categories.
Via the Textportedit
You can also browse commands and expressions via the textport:
help gives you a list of all Tscript commands and
exhelp gives you a list of all Expressions
Append the -k flag to the above commands to search for commands containing the word you are looking for. For example, to find all the expressions whose help contains the word "chop" type:
exhelp -k chop
See Also: Commands, Expressions