Campaign Item Related List Visual Force Page (VFP) will be discontinued by the end of 2024
This list can be configured to work in Classic OR Lightning. Even though we recommend the lightning component to be used.
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To do so, go to Setup → Create → Objects → Media Campaign. Scroll down to Buttons, Links, and Actions. Override standard view button on media campaign object with 'CampaignItemRealtedListView' visual force page.
