public String getSlotTypeCategory() {
        return this.slotTypeCategory;
    }
<p>
Indicates the type of the slot type.
</p>
<ul>
<li>
<p>
<code>Custom</code> - A slot type that you created using custom values. For more information, see <a
href="https://docs.aws.amazon.com/lexv2/latest/dg/custom-slot-types.html">Creating custom slot types</a>.
</p>
</li>
<li>
<p>
<code>Extended</code> - A slot type created by extending the <code>AMAZON.AlphaNumeric</code> built-in slot type.
For more information, see <a href="https://docs.aws.amazon.com/lexv2/latest/dg/built-in-slot-alphanumerice.html">
<code>AMAZON.AlphaNumeric</code> </a>.
</p>
</li>
<li>
<p>
<code>ExternalGrammar</code> - A slot type using a custom GRXML grammar to define values. For more information,
see <a href="https://docs.aws.amazon.com/lexv2/latest/dg/building-grxml.html">Using a custom grammar slot
type</a>.
</p>
</li>
</ul>

@return Indicates the type of the slot type.</p>
        <ul>
        <li>
        <p>
        <code>Custom</code> - A slot type that you created using custom values. For more information, see <a
        href="https://docs.aws.amazon.com/lexv2/latest/dg/custom-slot-types.html">Creating custom slot types</a>.
        </p>
        </li>
        <li>
        <p>
        <code>Extended</code> - A slot type created by extending the <code>AMAZON.AlphaNumeric</code> built-in
        slot type. For more information, see <a
        href="https://docs.aws.amazon.com/lexv2/latest/dg/built-in-slot-alphanumerice.html">
        <code>AMAZON.AlphaNumeric</code> </a>.
        </p>
        </li>
        <li>
        <p>
        <code>ExternalGrammar</code> - A slot type using a custom GRXML grammar to define values. For more
        information, see <a href="https://docs.aws.amazon.com/lexv2/latest/dg/building-grxml.html">Using a custom
        grammar slot type</a>.
        </p>
        </li>
@see SlotTypeCategory
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/SlotTypeSummary.java