Add helper function to triggerbinding in order to support params of type array

[savitaashture]

Changes

Add helper function to triggerbinding to support params of type array

Background:
Need to add test case for triggerbinding describe and did not find helper function for params fo Array type

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[khrm]

@savitaashture We don't support Array types of param in TriggerBindings for now.
Maybe we can create an issue and discuss.

[dibyom]

+1 to @khrm We don't use the array param types and as part of #415 I'm thinking of making this clearer by having our own Param type that only supports strings.

[savitaashture]

Thank you @khrm for confirming this
+1 to @dibyom we can anyway add own params
Created issue in order to address

We can discuss more in tomorrow's WG call so that i can proceed with the implementation

[dibyom]

From the WG today, we decided that we'll keep Params in bindings to only strings for now. In #532, we'll start using our own Param types that only have string values so there should be any confusion!

Thanks @savitaashture . I'll close this PR for now!
/close

[tekton-robot]

@dibyom: Closed this PR.

In response to this:

From the WG today, we decided that we'll keep Params in bindings to only strings for now. In #532, we'll start using our own Param types that only have string values so there should be any confusion!

Thanks @savitaashture . I'll close this PR for now!
/close

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