David Hogg, an activist who survived the Parkland, Fla., school shooting, requested on Friday that a photo of his death be publicized if he is ever a victim of gun violence.

Hogg took to Twitter to share a photo of a sticker placed on the back of his ID card. "In the event that I die from gun violence, please publicize the photo of my death," the sticker reads.

Hogg's sister, Lauren, also placed the sticker on her current high school ID card. 

The sticker is part of a gun violence prevention project called #MyLastShot, which calls for the sticker to be added to a personal item such as a driver’s license or cellphone.

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The initiative is led by current students at Columbine High School in Littleton, Colo., the site of a deadly school shooting in 1999.

The goal of the campaign is to share gruesome or violent photos to "[present] the world with the harsh reality of gun violence" and spark change.

"Sometimes, it takes seeing the worst of humanity to bring out the best," a student says in a promotional video.

The initiative cites how the graphic photo of Emmett Till, a black teenager who was brutally murdered in 1955, helped spark the civil rights movement. 

"So while it’s easier to censor deaths from gun violence, we can’t ignore the true horror of what’s happening and beg for change at the same time," the website states.

The #MyLastShot campaign was unveiled ahead of the 20th anniversary of the shooting at Columbine, which is next month.

Hogg, a graduate of Marjory Stoneman Douglas High School, survived a school shooting last February that killed 17 people.

He and his sister have since become outspoken anti-gun violence advocates.