How can I get Item Ids in custom action for integration recipe, when coupled with 'column changes'

I am trying to use a custom action I created with the built in trigger ‘when column changes’.

How should I go about receiving the itemId of the item in my custom action. I have tried adding input field ‘ItemId’ and ‘ColumnId’. But I am not getting the values in the req.body.

Right now I am only getting the BoardID which I have set as context. Can anyone please help me with this. How can I set up the custom action? Trying to create something like the following