We used the drive docuemnt below to reach agreement on the aims, stages, tasks, etc of the project and we, teachers hava had up to three meetings online, for the last one we just forgot to take a picture, but we have evidence of the other two: 

Besides, that, we have kept a fluent communicarion through the e-mail and even whatsapp and have used documents like the one can be seen in the fist picture or the one below we used in our last merting to agree on issues and next steps: