Vice President Kamala Harris is expected to reveal her vice presidential pick Tuesday, ahead of their first rally togetherin Philadelphia in the evening, according to two sources familiar with the plan.

These people cautioned that the timing of the announcement is still subject to change based on when Harris makes her final decision or whether there’s a media leak that affects the current plan.

The Tuesday rollout is likely to look similar to past major announcements, including digital video and social media components, as well as a fundraising appeal, these sources said. The Harris campaign will also disseminate various text messages to its supporters throughout the day, as has been a common practice in the past around big moments. The exact details are still being hammered out.

Read the rest of the story at NBC News