[Nuke-users] Set merge node mask channel inside group

[Lukasz Omasta]

Hi,

Is it possible to change the state of a merge node mask input that is
inside a group/gizmo?
If I add an input node to merge mask input inside of group I get an error
that non-existent channel is used for mask.
For now I have a switch node with ![exists parent.input], but is there a
more elegant solution to this problem?

Here is the group I now use

Group {
 inputs 3
}
 Input {
  inputs 0
  name Mask
  label "\[value number]"
  xpos 160
  ypos -181
  number 2
 }
 Switch {
  which {{"!\[exists parent.input2]" i}}
  name Switch1
  selected true
  xpos 13
  ypos -176
 }
 Input {
  inputs 0
  name A
  label "\[value number]"
  xpos -135
  ypos -291
 }
 Input {
  inputs 0
  name B
  label "\[value number]"
  xpos 7
  ypos -290
  number 1
 }
 Merge2 {
  inputs 2+1
  operation over
  bbox B
  name Merge1
  xpos -135
  ypos -176
 }
 Output {
  name Output1
  xpos -135
  ypos -91
 }
end_group

Thanks for any help

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