I want to implement a widget, that can change the Artifact type of an selected artifact. I thought, that i can do with the  setAttribute method. But unfortunately the changes will not be made but also no error will be reported.

Here the piece of code I tried to do the change:

RM.Data.getAttributes(row.ref, [
    RM.Data.Attributes.IDENTIFIER,
    RM.Data.Attributes.ARTIFACT_TYPE,
    typeAttributeName

], function(opResult) {

    if(opResult.code == RM.OperationResult.OPERATION_OK) {

        var rowToChange = opResult.data[0];

        RM.Client.setSelection(rowToChange.ref);

        var artType = new RM.ArtifactType(attrType);

        rowToChange.values[RM.Data.Attributes.ARTIFACT_TYPE] = artType;

        // save change in the row

        RM.Data.setAttributes(rowToChange, function(result){

            if(result.code !== RM.OperationResult.OPERATION_OK)

            {

                // error handling code here

                console.log(result);

                $("#errorlist").append("<div class=\"error-entry\">Save was not successful.(ID: " + row.values[RM.Data.Attributes.IDENTIFIER] + ")</div>");

            }

        });

    } else {

        $("#errorlist").append("<div class=\"error-entry\">Load artifact attributes for save was not successful.(ID: " + row.values[RM.Data.Attributes.IDENTIFIER] + ")</div>");    

    }

});