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I'm a newbie to salesforce and i want to create a custom Purchase Order record using CreateAsync method of Force.com Tool. I'm successfully able to create a record when i'm just passing the parameter value as string.

For e.g for a Campaign Creation :

var campRecord = new Campaign() { Name ="PickListCamp"};

The problem arises when i want to pass a pickup list value as a parameter in the CreateAsync method.

I'm getting the pickuplist values for say Status field of Purchase_Order object but when i pass the Pickup list value , i get an error saying :

"Cannot deserialize instance of picklist from START_OBJECT value { or request may be missing a required field salesforce c#}".

I'm using the following piece of code to get the picklist values from Status column of Campaign object :

string dcampQry = "Select DurableId From FieldDefinition where EntityDefinition.DeveloperName = 'Campaign' and DataType = 'Picklist' and DeveloperName = 'Status'";

var dcampResults = await client.QueryAsync<FieldDefination>(dcampQry);

var campDId = dcampResults.Records[0].DurableId;

string campQry = "SELECT DurableId, EntityParticleId, IsActive, IsDefaultValue, Label, ValidFor, Value  FROM PicklistValueInfo WHERE EntityParticleId = '" +campDId  + "'";

var campResults = await client.QueryAsync<Picklist>(campQry);

 Picklist campValue = campResults.Records[0];

After getting the pickuplist values, I'm passing the parameter as follows in the CreateAsync method :

var campRecord1 = new Campaign() { Name = "PickListCamp", Status = campValue };

var createdAccRecord1 = await client.CreateAsync("Campaign", campRecord1);

Can anyone help me out on how to create a record by passing a pickuplist value in CreateAsync method. I'd be really grateful.

  • Hi Srijesh, please include an example of the code you're using that doesn't work. I'm not a C# programmer, but it sounds like you're supplying the wrong type of value. – David Reed Feb 4 at 14:14
  • Hi David, I have updated the post with sample code. Kindly help :) – srijesh nair Feb 4 at 14:30
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I am not a C# developer, so I cannot tell you exactly what to write in your code, but I think it's clear that the cause is here:

var campRecord1 = new Campaign() { Name = "PickListCamp", Status = campValue };

campValue is an instance of a Tooling API object (PicklistValueInfo), representing the metadata for a single Picklist entry.

When you populate a picklist field, you don't supply an object - you supply a string value, the API name of the picklist entry. Here, you want the property Value from campValue, which should be a String.

The error you're getting back is indicating that Salesforce is receiving an object in its inbound REST request where a scalar value is expected.

  • Hi David,thank you for the response. Since the second parameter expects a pickuplist datatype,I passed campValue. If I pass the Value property ,how should I pass the second parameter? – srijesh nair Feb 4 at 14:56
  • Srijesh, it's "picklist", not "pickuplist". A picklist value is a string, unless C# does something unusual with it. – David Reed Feb 4 at 14:58
  • Okay David ,I'll try that out and let you know as soon as possible. thanks – srijesh nair Feb 4 at 15:03
  • Hi David, var campRecord1 = new Campaign() { Name = "PickListCamp", ? = campValue.Value }; Could you please suggest as to what the field name should be as 'Status' is of datatype Picklist. I have defined the Campaign class as follows : private class Campaign { public const String SObjectTypeName = "Campaign"; public String Name { get; set; } public bool isActive { get; set; } public Picklist Status { get; set; } } – srijesh nair Feb 4 at 16:13
  • The Status field on Campaign is not an object. It is a string value. You're using the same class to represent the Tooling API result and the Campaign field value, and that will not work. – David Reed Feb 4 at 16:18

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