Creating a Mozu Product Attribute List Option

AddAttributeListOption.cs

public void Add_A_Product_Attribute_List_Option()
{
    //enter your context info
    var apiContext = new Mozu.Api.ApiContext(tenantId: 14617, masterCatalogId: 1, catalogId: 1);

    //create a new attribute resource
    var attributeResource = new Mozu.Api.Resources.Commerce.Catalog.Admin.Attributedefinition.AttributeResource(apiContext);

    //define the attribute name
    var attributeName = "Purse-Size";

    //Add Your Code: define new attribute object
    var attribute = new Mozu.Api.Contracts.ProductAdmin.Attribute()
    {
        AdminName = attributeName,
        AttributeCode = attributeName,
        DataType = "String",
        InputType = "List",
        IsExtra = false,
        IsOption = true,
        IsProperty = false,
        Namespace = "Tenant",
        Content = new AttributeLocalizedContent()
        {
            Name = attributeName,
        },
        ValueType = "Predefined",
        SearchSettings = new AttributeSearchSettings()
        {
            SearchDisplayValue = true,
            SearchableInStorefront = true,
            SearchableInAdmin = true
        },
    };

    //build fully qualified name
    attribute.AttributeFQN = string.Format("{0}~{1}",
        attribute.Namespace,
        attributeName);

    //define attribute vocabulary values
    attribute.VocabularyValues = new System.Collections.Generic.List<AttributeVocabularyValue>();

    //vocabulary values to add
    var sizes = "Petite|Classic|Alta".Split('|');

    foreach (var value in sizes)
    {
        attribute.VocabularyValues.Add(new AttributeVocabularyValue()
        {
            Value = value,
            Content = new Mozu.Api.Contracts.ProductAdmin.AttributeVocabularyValueLocalizedContent()
            {
                LocaleCode = "en-US",
                StringValue = value
            }
        });
    }

    //check is attribute already exists, return back only the attributeFQN as a responsefield and not the entire object
    var existingAttributes = attributeResource.GetAttributesAsync(filter: string.Format("AttributeCode sw '{0}'", attributeName.ToLower()), responseFields: "AttributeFQN").Result;

    //check if attribute already exists
    if (existingAttributes.TotalCount == 0)
    {
        //Add Your Code: add new attribute
        var createdAttribute = attributeResource.AddAttributeAsync(attribute).Result;
    }
}