Participating in projects is easy, just upload the content following the steps on the upload page.
If you have any doubts about how to get there, see (How to participate in open projects).
Each project is different so there may be different types of materials to upload, depending on the type of contest: video, graphics, photos, etc. and more importantly, based on the request of the brief.
In the brief you can find a detailed list of all the materials needed for your submission to be accepted.
In general, you will be asked to upload creative content, be it a video, photos, a strategy, a logo, etc.
Then you have to fill in the fields such as "title and description" and upload all the required documents (you can consult the documents section if you have any doubts).
When you have uploaded these materials, the button will be activate to complete the upload; if the upload is successful you will receive a confirmation e-mail.