={
  a!gridLayout(
    headerCells: if(
      ri!readOnly_bool=true,
      if(
        ri!displayOnLandStatement_bool=true,
        {
          a!gridLayoutHeaderCell(
            label: "Surface File Number - All selected will appear on Land Statement"
          ),
          a!gridLayoutHeaderCell(
            label: ""
          )
        },
        {
          a!gridLayoutHeaderCell(
            label: "All Surface File Number"
          )
        }
      ),
      if(
        ri!displayOnLandStatement_bool=true,
        {
          a!gridLayoutHeaderCell(
            label: "Surface File Number - All selected will appear on Land Statement"
          ),
          a!gridLayoutHeaderCell(
            label: ""
          )
        },
        {
          a!gridLayoutHeaderCell(
            label: "Surface File Number"
          ),
          a!gridLayoutHeaderCell(
            label: ""
          )
        }
      )
    ),
    columnConfigs: if(
      ri!readOnly_bool=true,
      if(
        ri!displayOnLandStatement_bool=true,
        {
          a!gridLayoutColumnConfig(
            width: "DISTRIBUTE"
          ),
          a!gridLayoutColumnConfig(
            width: "NARROW"
          )
        },
        {
          a!gridLayoutColumnConfig(
            width: "DISTRIBUTE"
          )
        }
      ),
      if(
        ri!displayOnLandStatement_bool=true,
        {
          a!gridLayoutColumnConfig(
            width: "DISTRIBUTE"
          ),
          a!gridLayoutColumnConfig(
            width: "NARROW"
          )
        },
        {
          a!gridLayoutColumnConfig(
            width: "DISTRIBUTE"
          ),
          a!gridLayoutColumnConfig(
            width: "NARROW"
          )
        }
      )
    ),
    rows: a!applyComponents(
     function: rule!EWR_createRowGridSLFileNumberList(
        items: ri!SLFileNumberList,
        index_int: _,
        itemsToken: ri!itemsToken,
        readOnly_bool: ri!readOnly_bool,
        SLPipelineGroupID: ri!EWR_EPMSLPipelineGroup.EPMSLPipelineGroupID,
        itemNumber_int: ri!itemNumber_int,
        surfaceFileNumberGroupIndexList_int: ri!surfaceFileNumberGroupIndexList_int,
        duplicatedValidation_bool: ri!duplicatedValidation_bool,
        displayOnLandStatement_bool: ri!displayOnLandStatement_bool
      ),
      array: if(
        or(
          isnull(
            ri!SLFileNumberList
          ),
          count(
            ri!SLFileNumberList
          ) < 1
        ),
        {},
        if(
          ri!displayOnLandStatement_bool=true,
          rule!EWR_getUniqueSurfaceFileNumberIndices(
            surfaceFileNumberList_text: ri!SLFileNumberList.SurfaceFileNumber
          ),
          /*1 + enumerate(count(ri!SLFileNumberList)),*/
          wherecontains(
            ri!itemNumber_int,
            ri!surfaceFileNumberGroupIndexList_int
          )
        )
      ),
      arrayVariable: ri!itemsToken
    )
  ),
  if(
    and(
      rule!lengthNullSafe(
        where(ri!duplicatedValidation_bool)
      ) > 0,
      ri!displayOnLandStatement_bool<>true,
      ri!readOnly_bool <> true
    ),
    if(
      rule!lengthNullSafe(
        wherecontains(
          ri!itemNumber_int,
          index(
            ri!surfaceFileNumberGroupIndexList_int,
            where(ri!duplicatedValidation_bool),
            {}
          )
        )
      ) > 0,
      rule!GLOB_textFieldDisplayValidationMessage(
        validation_txt: "Please remove duplicate Surface File Number(s)"
      ),
      {}   
    ),
    {}
  ),
  if(
    ri!readOnly_bool=true,
    {},
    if(
      ri!displayOnLandStatement_bool=true,
      {},
      a!buttonLayout(
        primaryButtons: {
          a!buttonWidget(
            label: cons!USER_DECISION_ADD_LABEL,
            value: {due:today() + 1},
            saveInto: {
              ri!SLFileNumberList << fn!append(
                ri!SLFileNumberList,
                cast('type!{urn:com:husky:types:appian:ewr}EWR_EPMSLSurfaceFile', 
                  {
                    SurfaceFileID: null,
                    PipelineGroupID: null,
                    Deleted: false,
                    DisplayOnLandStatement: true,
                    SurfaceFileNumber: null,
                    CreateUser: loggedInUser(),
                    CreateDate: now(),
                    UpdateUser: null,
                    UpdateDate: null
                  }
                )
              ),
              ri!duplicatedValidation_bool << fn!append(
                ri!duplicatedValidation_bool,
                false
              ),
              ri!itemsToken << fn!append(
                ri!itemsToken,
                _
              ),
              ri!surfaceFileNumberGroupIndexList_int << fn!append(ri!surfaceFileNumberGroupIndexList_int, ri!itemNumber_int)
            }
          )  
        }
      )
    )
  )
}