Hi,
I am new to Appian and I am trying using a rule object as grid data source. but getting below error
Could not display interface. Please check definition and inputs. Interface Definition: Expression evaluation error at function a!gridField [line 2]: A grid component [label="Read-only Grid"] has an invalid value for "columns". A grid column [label="Vehicleid"] has encountered an error. Expression evaluation error: AX TestVehicle can only be indexed into using square brackets or the index function
This is written in the interface
{ a!gridField( label: "Read-only Grid", labelPosition: "ABOVE", data: rule!AX_SearchVehicles(), columns: { a!gridColumn( label: "Vehicleid", sortField: "vehicleid", value: fv!row.vehicleid ), a!gridColumn( label: "Vehiclemake", sortField: "vehiclemake", value: fv!row.vehiclemake ), a!gridColumn( label: "Vehiclemodel", sortField: "vehiclemodel", value: fv!row.vehiclemodel ), a!gridColumn( label: "Vehiclecolor", sortField: "vehiclecolor", value: fv!row.vehiclecolor ), a!gridColumn( label: "Vehiclecondition", sortField: "vehiclecondition", value: fv!row.vehiclecondition ), a!gridColumn( label: "Vehiclestatus", sortField: "vehiclestatus", value: fv!row.vehiclestatus ), a!gridColumn( label: "Vehiclecategory", sortField: "vehiclecategory", value: fv!row.vehiclecategory ) }, validations: {} )}
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This is what written behind AX_SearchVehicles()
a!queryRecordType( recordType: 'recordType!{ae12c912-bb55-4de6-b097-819e20ae55ee}AX TestVehicle', fields: { 'recordType!AX TestVehicle.fields.vehicleid', 'recordType!AX TestVehicle.fields.vehiclemake', 'recordType!AX TestVehicle.fields.vehiclemodel', 'recordType!AX TestVehicle.fields.vehiclecolor', 'recordType!AX TestVehicle.fields.vehiclecondition', 'recordType!AX TestVehicle.fields.vehiclestatus', 'recordType!AX TestVehicle.fields.vehiclecategory' }, pagingInfo: a!pagingInfo( startIndex: 1, batchSize: 100 )).data
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I think your title tells you the solution. Is there any other problem you are facing?
While working with records, you can only use [] or index() to access a child property (column name in your case) as the column names are not the keys here but rather some reference that Appian uses.