How to reference process backed record field that is of image type derived by expression rule in the interface

Question

Hi, 
 I have a process backed record and one of the column/field is of image type derived by expression rule as listed below: 
 a!documentImage( rule!MP_getOverdueIndicator(rf!MilestoneScheduleTasks.NotApplicable,rf!MilestoneScheduleTasks.ProjEndDate,rf!MilestoneScheduleTasks.ActEndDate,rf!overdueInt) ) 
 
 How do i reference this field in the interface? i can use a!gridImageColumn but what would be the field i refer to in the local!datasubset.data. Any help is appreciated. 
 
 Thanks, 
 Meena

Mike Schmitt · Accepted Answer

We don't really have any easy way to tell what your CDT that holds "MilestoneScheduleTasks" looks like. But in general my suggestion is, instead of just trying random things in a Grid until it works, just add a "debug" paragraph field and set the value to the variable holding the data you're trying to show, and see which (if any) fields it's showing there, and use that to inform the logic for your grid. 
 Also as an aside, when inserting a big code block like that, it would be helpful just from a formatting and readability perspective, to use the "Insert --> Insert Code" functionality provided here on Community.

Mike Schmitt · Answer

How are you populating local!dataSubset? Does it even contain any of the expected values, when you display its value in a paragraph field as I mentioned above?

Mike Schmitt · Answer

Thanks for confirming - if you get a chance, it'd be appreciated if you would upvote and/or click verify on one or more of my above replies :)

How to reference process backed record field that is of image type derived by expression rule in the interface

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