Link flutuante para Whatsapp

Para adicionar um link flutuante do Whatsapp é bem simples, para isso tenha como base o código abaixo:

<style>
    .whatsapp {
        position: fixed;
        bottom: 5%;
        left: 1%;
        padding: 10px;
        z-index: 10000000;
        background: #1bd741;
        border-radius: 50%;
    }
</style>
<div>
    <a href="https://api.whatsapp.com/send?phone=55###########" class="whatsapp" target="_blank">
       <svg viewBox="0 0 52 52" width="30" height="30" fill="#ffffff"><path d="M26,0C11.663,0,0,11.663,0,26c0,4.891,1.359,9.639,3.937,13.762C2.91,43.36,1.055,50.166,1.035,50.237
    c-0.096,0.352,0.007,0.728,0.27,0.981c0.263,0.253,0.643,0.343,0.989,0.237L12.6,48.285C16.637,50.717,21.26,52,26,52
    c14.337,0,26-11.663,26-26S40.337,0,26,0z M26,50c-4.519,0-8.921-1.263-12.731-3.651c-0.161-0.101-0.346-0.152-0.531-0.152
    c-0.099,0-0.198,0.015-0.294,0.044l-8.999,2.77c0.661-2.413,1.849-6.729,2.538-9.13c0.08-0.278,0.035-0.578-0.122-0.821
    C3.335,35.173,2,30.657,2,26C2,12.767,12.767,2,26,2s24,10.767,24,24S39.233,50,26,50z"/><path d="M42.985,32.126c-1.846-1.025-3.418-2.053-4.565-2.803c-0.876-0.572-1.509-0.985-1.973-1.218
    c-1.297-0.647-2.28-0.19-2.654,0.188c-0.047,0.047-0.089,0.098-0.125,0.152c-1.347,2.021-3.106,3.954-3.621,4.058
    c-0.595-0.093-3.38-1.676-6.148-3.981c-2.826-2.355-4.604-4.61-4.865-6.146C20.847,20.51,21.5,19.336,21.5,18
    c0-1.377-3.212-7.126-3.793-7.707c-0.583-0.582-1.896-0.673-3.903-0.273c-0.193,0.039-0.371,0.134-0.511,0.273
    c-0.243,0.243-5.929,6.04-3.227,13.066c2.966,7.711,10.579,16.674,20.285,18.13c1.103,0.165,2.137,0.247,3.105,0.247
    c5.71,0,9.08-2.873,10.029-8.572C43.556,32.747,43.355,32.331,42.985,32.126z M30.648,39.511
    c-10.264-1.539-16.729-11.708-18.715-16.87c-1.97-5.12,1.663-9.685,2.575-10.717c0.742-0.126,1.523-0.179,1.849-0.128
    c0.681,0.947,3.039,5.402,3.143,6.204c0,0.525-0.171,1.256-2.207,3.293C17.105,21.48,17,21.734,17,22c0,5.236,11.044,12.5,13,12.5
    c1.701,0,3.919-2.859,5.182-4.722c0.073,0.003,0.196,0.028,0.371,0.116c0.36,0.181,0.984,0.588,1.773,1.104
    c1.042,0.681,2.426,1.585,4.06,2.522C40.644,37.09,38.57,40.701,30.648,39.511z"/></svg>
    </a>
</div>

No parâmetro 'phone', altere para o número de Whatsapp que deseja direcionar a mensagem, esse número deve possuir a seguinte ordem:

phone=5511222222222

1. Código do Pais (No exemplo 55 - Brasil)

2. Código de Área - DDD (No exemplo 11)

3. Número do Whatsapp (No exemplo 2 - Sem nenhum tipo de separador)

Adicionando na loja

Após alterado o script acima, basta inseri-lo através do painel da plataforma em Configurações > Integrações > Ferramentas de atendimento em Scripts de atendimento

Após inserir o código, salve as alterações e aguarde alguns instantes, onde será exibido na loja o link.