Method, apparatus, and computer program product for sharing interface annotations among participating devices within a group-based communication system

An apparatus for sharing annotations in a group-based communication interface, comprising:

• one or more processors;
• a memory;
• instructions stored in the memory and executable by the one or more processors to cause the apparatus to:
• transmit an indication of a content item for display at a plurality of devices viewing the group-based communication interface;
• receive a drawing annotation of the content item;
• transmit an indication of the drawing annotation for display at the plurality of devices viewing the group-based communication interface;
• and
• receive a reactive emoji associated with the drawing annotation of the content item, wherein the drawing annotation and the reactive emoji are received from different devices;
• and
• transmit an indication of the reactive emoji for display at the plurality of devices viewing the group-based communication interface, wherein the reactive emoji is displayed in association with one or more of the content item and the drawing annotation.

A non-transitory computer-readable storage medium storing instructions for sharing annotations in a group-based communication interface, wherein the instructions are executable by one or more processors to:

• transmit an indication of a content item for display at a plurality of devices viewing the group-based communication interface;
• receive a drawing annotation of the content item;
• transmit an indication of the drawing annotation for display at the plurality of devices viewing the group-based communication interface;
• receive a reactive emoji associated with the drawing annotation of the content item, wherein the drawing annotation and the reactive emoji are received from different devices;
• and
• transmit an indication of the reactive emoji for display at the plurality of devices viewing the group-based communication interface, wherein the reactive emoji is displayed in association with one or more of the content item and the drawing annotation.