Grid Row Custom Row Command Bind To an Function

[Anil]

I would like to bind a custom command from a kend grid (currently using mvvm) to function.

{ "command": { "text":"hello world", "click":"helloWorld" } }

On click the function does not get called. I get a query error instead, can you please advise.

[Anil]

Figured out the solution out for this one, 
{ "command": { "text":"hello world", "click":helloWorld } }
The click method should not be in quotes,  kendo ui it applies the call operator "()" to the string and it fails at runtime.
It also works for a function as part of a view model, however it does not intrinsically call the view model function even after a kendo bind
{ "command": { "text":"hello world", "click":viewModel.helloWorld } }