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