Trigger Binding type array

[sunyeongchoi]

Is there any way to bind parameters defined as array type to array?
I wonder why it was not possible to bind to an array type.
Am i missing something?

[palonza]

Hi @sunyeongchoi ,

do you have many ways, depend your needs:

1. array format: Ensure that the array is provided in the correct format when binding the parameter. Arrays can be specified using YAML or JSON syntax

myArrayParam:
  - value1
  - value2
  - value3

2. binding method: When binding parameters to the array type, you have a couple of options. You can use the param field or the params field in the trigger event

params:
  - name: myArrayParam
    value:
      - value1
      - value2
      - value3

3. using params: If you're binding multiple parameters, you can use the params field in the trigger event. Here's an example

params:
  - name: myArrayParam
    value:
      - value1
      - value2
      - value3
  - name: anotherArrayParam
    value:
      - value4
      - value5

[sunyeongchoi]

https://github.com/tektoncd/triggers/blob/main/pkg/apis/triggers/v1alpha1/trigger_types.go#L54

I mean TriggerSpecBinding struct Value type is string.
I want to put an array type value in Value.
Why is array not allowed to be inserted?

type TriggerSpecBinding struct {
	// Name is the name of the binding param
	// Mutually exclusive with Ref
	Name string `json:"name,omitempty"`
	// Value is the value of the binding param. Can contain JSONPath
	// Has to be pointer since "" is a valid value
	// Required if Name is also specified.
	Value *string `json:"value,omitempty"`

	// Ref is a reference to a TriggerBinding kind.
	// Mutually exclusive with Name
	Ref string `json:"ref,omitempty"`

	// Kind can only be provided if Ref is also provided. Defaults to TriggerBinding
	Kind TriggerBindingKind `json:"kind,omitempty"`

	// APIVersion of the binding ref
	APIVersion string `json:"apiversion,omitempty"`
}