{##
 # Print invoice button
 #}
<button type="button"{% if this.getClass() %} class="{{ this.getClass() }}"{% endif %}>
  {{ this.displayCommentedData(this.getURLParams()) }}
  {% if this.getParam('icon-style') %}
    <i class="button-icon {{ this.getParam('icon-style') }}"></i>
  {% endif %}
  <span>{{ t(this.getButtonLabel()) }}</span>
</button>