<?xml version="1.0" encoding="UTF-8"?>
<form>
    
    <field
        name="field_id"
        type="sql"
        label="Field"
        query="SELECT id, title FROM #__tfpb_forms WHERE published=1"
        key_field="id"
        value_field="title">
            <option value="">JSELECT</option>
    </field>
        
</form>