Venture theme

1. In your Shopify Admin click Online Store.
2. Click to Current Theme's Actions > Edit code.
3. Open the product-template.liquid file under the Sections area of your Theme Editor.
4. Copy the code below.

   {% unless product.metafields.coattend.enabled %}
    <button type="submit"
        name="add"
        id="AddToCart-{{ section.id }}"
        class="btn btn--full product-form__cart-submit{% unless current_variant.available %} btn--sold-out{% endunless %}{% if section.settings.enable_payment_button %} btn--secondary-accent{% endif %}"
        {% unless current_variant.available %}disabled="disabled"{% endunless %}>
        <span id="AddToCartText-{{ section.id }}">
            {% unless current_variant.available %}
            {{ 'products.product.sold_out' | t }}
            {% else %}
            {{ 'products.product.add_to_cart' | t }}
            {% endunless %}
        </span>
    </button>
    {% if section.settings.enable_payment_button %}
        {{ form | payment_button }}
    {% endif %}
   {% else %}
    <div class="coattend-button btn btn--full product-form__cart-submit{% unless current_variant.available %} btn--sold-out{% endunless %}{% if section.settings.enable_payment_button %} btn--secondary-accent{% endif %}"
        {% unless current_variant.available %}disabled="disabled"{% endunless %}
        data-coattend-product-id="{{product.id}}" 
        data-coattend-variant-id="{{product.selected_variant.id}}">
        <span id="AddToCartText-{{ section.id }}">
            {% unless current_variant.available %}
            {{ 'products.product.sold_out' | t }}
            {% else %}
            {{ 'products.product.add_to_cart' | t }}
            {% endunless %}
        </span>
    </div>
   {% endunless %}

5. Replace code from line 193 to 208. You can see what needs to be replaced on the below image. Venture theme code that needs to be replaced.
6. Click Save

Congratulations! Continue and display your event.