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How to find Knowledge Article Type?


I am querying the KnowledgeArticleVersion table to list all articles in order to display a list of links to articles.

Because of some limitations I cannot use the <knowledge:articleList> tag.

I have these article types: Documentation__kav, FAQ__kav, Private_Article__kav.

Other article types will be added later.

How do I find out the article type from the KnowledgeArticleVersion table?

Maybe there are other tables I can query to find this out?

Attribution to: Alexandru Luchian

Possible Suggestion/Solution #1

5 years later and this data is now exposed on the KnowledgeArticleVersion table itself.

Type: string
Properties: Defaulted on create,Filter
Description: Indicates the API Name of the article type.  
    The ArticleType is assigned to the article when it's created. 
    You can't change the value of this field.  
    This field is available in API version 26.0 and later.

Attribution to: a_sdfc_developer

Possible Suggestion/Solution #2

U need to have a key prefix mapping table in order to find the article type. Thanks.

Attribution to: scyforce

Possible Suggestion/Solution #3

I found how to do it.

As @scyforce said I need to use the key prefix.

Link on Salesforce Community

Code from that page:

    // Create DescribeMap
    private void createDescribeMap() {
        Map<String, Schema.SObjectType> gd = Schema.getGlobalDescribe();
        Set<String> keySet = gd.keySet();
        for (String key : keySet) {
            Schema.SObjectType objectType = gd.get(key);
            if (key.endsWith('ka') || key.endsWith('kb')) {
                this.describeMap.put(objectType.getDescribe().getKeyPrefix(), objectType.getDescribe().getLabel());

    //Util method to get Article Type from article Id.
    public String getArticleType(String articleId) {
        String articlePrefix = articleId.substring(0,3);
        Set<String> keySet = describeMap.keySet();
        String articleType = null;
        for(String key: keySet) {
            if(articlePrefix.equalsIgnoreCase(key)) {
                articleType = describeMap.get(key);
                return articleType;
        return articleType;

Attribution to: Alexandru Luchian
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