Abstract: A method for the insertion of a multimedia content into a computerized communication by an instant messaging service between a first session executed on a first computerized device and at least one second session executed on a second computerized device, the method including on the one hand, prior to the insertion of the multimedia content, the following steps: the multimedia content is constituted by at least one instant messaging user; the multimedia content is stored in a third computerized device, and on the other hand, during communication, the following steps: the execution of the content is activated by the first session; the multimedia content is automatically executed, following the activation, based on data received from the third computerized device.