Booking Management Guides for creating bookings in CustomLinc. Strategic Partnerships Grant Overview This guide explains how to create a booking in CustomLinc for the Strategic Partnerships Grant (SPG) program. Selecting the correct agent ensures the Source and Promotion Code are automatically assigned. Steps In CustomLinc, click Add and select Create Standard Booking . Select the relevant product . Enter the required booking details . In the agent field, select (SPG) Strategic Partnerships Grant . Enter the number of fares required. Click Update . Confirm that the Source and Promotion Code have been automatically assigned. Important Notes The Source and Promotion Code are assigned automatically when the (SPG) Strategic Partnerships Grant agent is selected — do not enter these manually. If the Source or Promotion Code are not populated after clicking Update, verify the correct agent has been selected before proceeding.