Solved
CSV Import extension
I am using ThingWorx Release 9.3.10,
I installed the extension but I can able to see only WriteCSV service snippet.
I cannot able to see other snippets like ReadCSV and all.
Extension Downloaded from here
This extension is creating an entity called ImportHelper. It is specifically designed for Industrial Connectivity.
If you look for a generic CSV Import Tool, use this: https://iqnox.com/thingworx-widget-development/
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