public CustomExtension withObjectIdentifier(String objectIdentifier) {
        setObjectIdentifier(objectIdentifier);
        return this;
    }
<p/>
<p>
Specifies the object identifier (OID) of the X.509 extension. For more information, see the <a
href="https://oidref.com/2.5.29">Global OID reference database.</a>
</p>

@param objectIdentifier
       <p>
       Specifies the object identifier (OID) of the X.509 extension. For more information, see the <a
       href="https://oidref.com/2.5.29">Global OID reference database.</a>
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-acmpca/src/main/java/com/amazonaws/services/acmpca/model/CustomExtension.java