From the top navigation menu, select Brands → Find Campaigns.
Select the Invited tab.
Hover over the campaign and select View Proposal.
Review the campaign's proposal and select Apply.
If a brand allows negotiation, select Negotiate in the bottom-right corner of the modal, enter your proposed rates and tasks, and select Send.
If a brand opts for partner bids, it is mandatory to specify your compensation. If a brand opts for partners to define their own tasks, it is mandatory to specify your task specifications.
Once the negotiation process starts, the application moves into the Negotiation tab and you can continue countering until an agreement is reached.