Issue in updating a list of record type

Question

I have a record type list - saved in local!displayitems it has 9 items and i am displaying it in the grid

when I select the rows in grid it gets saved in the local!selectedrow variable

now, i am doing some manipulation and updating few fields in the selected rows and then wanted to save them to the local!display items upon button click , here is teh code, can you tell me what is wrong , since displayitems is nested , i flattened it
a!forEach( items:a!flatten(ri!displayItems), expression:{ a!save(fv!item[recordtype.fields.preparedBy'], a!update( fv!item[recordtype.fields.preparedBy'], { index(
fv!item[recordtype.fields.procedureReferenceId'], ri!selectedrows[recordtype.fieldsprocedureReferenceId']  ) },{ri!selectedrows[recordtype.fields.preapredby]} ) )

error:

karumurua531442 · Accepted Answer

hi [mention:92ba06295fbc4d77b281c512999a858b:e9ed411860ed4f2ba0265705b8793d05] could try something like this by making changes to the below code as per your requirement

a!forEach(
  items: a!flatten(local!selectedrow),
  expression: {
    a!save(
      local!displayitems[
        wherecontains(
          fv!item[recordtype.fields.procedureReferenceId],
          a!flatten(local!displayitems[recordtype.fields.procedureReferenceId])
        )
      ][recordtype.fields.preparedBy],
      fv!item[recordtype.fields.preparedBy]
    )
  }
)

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