Question 87038 in ASP.NET Question posted in
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OutputParameters must contain a property called 'BusinessEntityCollection' of type Microsoft.Xrm.Sdk.EntityCollection for SDK message RetrieveMultiple – Asp.net

Creating a plugin for virtual entity, while trying to parse an EntityCollection to PluginExecutionContext in Microsoft.Xrm.Sdk it fails with message

Error

"message":"OutputParameters must contain a property called 'BusinessEntityCollection' of type Microsoft.Xrm.Sdk.EntityCollection for SDK message RetrieveMultiple",

Code is something like

            string data = await GetData(localcontext);
            
            var desrlzdData = JsonConvert.DeserializeObject<CustomEntity[]>(data);
            EntityCollection collection = new EntityCollection();
            foreach (var d in desrlzdData)
            {
                collection.Entities.Add(mapper(d));
            }

            // Add result to output parameters
            localcontext.PluginExecutionContext.OutputParameters["BusinessEntityCollection"] = collection;
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2

Answers


  1. Chosen as BEST ANSWER
    0

    The problem was with async code, I was not doing await at one of the place. So The BusinessEntityCollection was not getting populated but the error message is bit misleading.


  2. 0

    Modify the last time in this:

    localcontext.PluginExecutionContext.OutputParameters["EntityCollection"] = collection;
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