Scope3 calls this when your proposal is accepted and you are assigned to manage a tactic. You should acknowledge and begin setup, or decline if you can’t fulfill it.
The campaign context contains everything you need: budget, schedule, targeting constraints, creatives, and any custom fields.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
ID of the tactic from the strategy table (assigned when user accepts your proposal)
"12345"
Brand agent (advertiser) for this campaign
"ba_123"
Seat/account ID
"seat_456"
ID of the proposal that was accepted (matches proposalId from GetProposalsResponse)
"premium-vcpm-display"
Custom fields provided by advertiser
{ "targetVCPM": 2.5 }The additional_info blob that was returned in the proposal response
{
"property_list": ["prop1", "prop2"],
"custom_data": "value"
}