In order to be able to create a campaign you need to be logged in as a Brand (either brand or agency admin). From your dashboard you need to click on “My campaigns” and under the field “Create campaign” choose respective campaign type. This will bring you to the next screen where you need to specify campaign details. After you activate your public campaign it will be visible for your potential participants.
NB: If you mark your campaign as PUBLIC, it will be searchable and influencers will be able to apply to join. If you set your campaign as PRIVATE, it will not be discovered and you will take on a role of inviting selected influencers to join.