syntax = "proto3";
package protocol;

message Message {
    string avatar = 1;
    string fromUsername = 2;
    string from = 3;
    string to = 4;
    string content = 5;
    int32 contentType = 6;
    string type = 7;
    int32 messageType = 8;
    string url = 9;
    bytes file = 10;
}