fontawesome6/asset/svgs/solid/message-arrow-down.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Pro 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><path d="M0 64C0 28.7 28.7 0 64 0H448c35.3 0 64 28.7 64 64V352c0 35.3-28.7 64-64 64H309.3L185.6 508.8c-4.8 3.6-11.3 4.2-16.8 1.5s-8.8-8.2-8.8-14.3V416H64c-35.3 0-64-28.7-64-64V64zm280 56c0-13.3-10.7-24-24-24s-24 10.7-24 24V238.1l-31-31c-9.4-9.4-24.6-9.4-33.9 0s-9.4 24.6 0 33.9l72 72c9.4 9.4 24.6 9.4 33.9 0l72-72c9.4-9.4 9.4-24.6 0-33.9s-24.6-9.4-33.9 0l-31 31V120z"/></svg>