Various embodiments provide for techniques to facilitate online communication. In one embodiment, the communication is facilitated by providing a framework to enable the transmission of customized avatars across the messaging platform. The avatars may be recipe based, such that a receiving client device can receive the avatar recipe and render an avatar based on the recipe. In one embodiment the recipe includes set of components and a parameters associated with the set of components. An expression identifier associated with an expression to represent via the avatar can be received via the messaging platform and an animation of the avatar can be displayed to convey the intended expression.