Getting cast exception when I use start process function in link inside interface

Getting cast invalid exception when  I use startprocesslink inside interface.

Report ->Scenarios is  to get the data from DB based on few search filters on click of search button  and display the data  in GRID and also provide a link to download the same data to excel.

I am generating report (excel) inside that process and calling this process on click

PRTRR_VW_PipelinePlanning?list to Dictionary. Details: CastInvalid

Interface Definition: Expression evaluation error at function a!startProcessLink [line 82]: Could not cast from PRTRR_VW_PipelinePlanning?list to Dictionary. Details: CastInvalidCould not cast from

Attached the sample code

= load(
  local!pagingInfo: a!pagingInfo(
    1,
    cons!PRTRR_BATCH_SIZE_DEFAULT
    /*a!sortInfo(*/
      /*field: "PipelineKey",*/
      /*ascending: "false"*/
    /*)*/
  ),
  local!licenseNumber_txt,
  local!lineNumber_txt,
  local!fromLocation_txt,
  local!toLocation_txt,
  local!AMUList_txt,
  local!buList_txt,
  local!operatingDistrictList_txt,
  local!gatheringSystem_txt,
  local!plannedYearOfAbandonmentList_int,
  local!plannedQuarterOfAbandonmentList_txt,
  local!statusList_txt,
  local!subdecision_txt,
  local!decisionList_txt,
  local!concernList_txt,
  local!decisionUserList_txt,
  local!batchSize_int,
  local!licenseNumberValue_txt,
  local!lineNumberValue_txt,
  local!fromLocationValue_txt,
  local!toLocationValue_txt,
  local!AMUListValue_txt,
  local!buListValue_txt,
  local!operatingDistrictListValue_txt,
  local!gatheringSystemValue_txt,
  local!plannedYearOfAbandonmentListValue_int,
  local!plannedQuarterOfAbandonmentListValue_txt,
  local!statusListValue_txt,
  local!subdecisionValue_txt,
  local!decisionListValue_txt,
  local!concernListValue_txt,
  local!decisionUserListValue_txt,
  local!batchSizeValue_int,
  local!showFilters: true,
  local!GLOB_GISAMUList: rule!GLOB_getActiveGISAMUList(),
  local!GLOB_GISBusinessUnitList: rule!GLOB_getActiveGISBusinessUnitList(),
  local!GLOB_GISOperatingDistrictList: rule!GLOB_getActiveGISOperatingDistrictList(),
  local!PRTRR_PipelineDataSubset,
  with(
    local!PRTRR_PipelineDataSubset: rule!PRTRR_getVWPipelinePlanningListBySearchCriteria(
      pagingInfo: local!pagingInfo,
      licenseNumber_txt: local!licenseNumberValue_txt,
      lineNumber_txt: local!lineNumberValue_txt,
      deleted_bool: false,
      OperatingDistrictList_txt: local!operatingDistrictListValue_txt,
      BusinessUnitList_txt: local!buListValue_txt,
      AMUList_txt: local!AMUListValue_txt,
      gatheringSystem_txt: local!gatheringSystemValue_txt,
      concernList_txt: local!concernListValue_txt,
      plannedYearOfAbandonmentList_int: local!plannedYearOfAbandonmentListValue_int,
      plannedQuarterOfAbandonmentList_txt: local!plannedQuarterOfAbandonmentListValue_txt,
      decisionList_txt: if(
        rule!APN_isBlank(local!decisionListValue_txt),
        {
          cons!PRTRR_DECISION_RETAIN,
          cons!PRTRR_DECISION_RETIRE
        },
        local!decisionListValue_txt
      ),
      subdecision_txt: local!subdecisionValue_txt,
      decisionUserList_txt: local!decisionUserListValue_txt,
      statusList_txt: local!statusListValue_txt,
      fromLocation_txt: local!fromLocationValue_txt,
      toLocation_txt: local!toLocationValue_txt
      )
      ,          
     a!sectionLayout_17r1(
          label: "Search Results",
          firstColumnContents: {
          
                      a!linkField(
                        labelPosition: "COLLAPSED",
                        links: {
    a!startProcessLink(
      label: "Export Results to Excel",
      processModel: cons!PRTRR_PIPELINE_PROGRESS_CHECK_PROCESS,
      processParameters: {
       cast('type!{urn:com:husky:types:appian:PRTRR}PRTRR_VW_PipelinePlanning',local!PRTRR_PipelineDataSubset)
      
      }
    )
  }
)
}  
  )

    )
)

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Parents
  • The value of processParameters should be an array of name:value pairs e.g.:

    {
        param1: 1,
        param2: "A",
        param3: true
    }

    Have you tried isolating the value of local!PRTRR_PipelineDataSubset to see what it contains? And what is the structure of PRTRR_VW_PipelinePlanning? It's impossible for anyoen to provide any meaningful help unless we can see what the cast is working with.

    It maybe that you'll need to do something different from casting to generate the list of name:value pairs as input to your process model.

Reply
  • The value of processParameters should be an array of name:value pairs e.g.:

    {
        param1: 1,
        param2: "A",
        param3: true
    }

    Have you tried isolating the value of local!PRTRR_PipelineDataSubset to see what it contains? And what is the structure of PRTRR_VW_PipelinePlanning? It's impossible for anyoen to provide any meaningful help unless we can see what the cast is working with.

    It maybe that you'll need to do something different from casting to generate the list of name:value pairs as input to your process model.

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