Terleaha Williams-Oliver, 20, was allegedly part of a joint criminal plan to fire a semiautomatic rifle at a family home in Sydney's west in what police believe was a targeted attack.
Two men Steven Mate, 30, and Christopher Leonard, 31, allegedly conducted a drive-by of the Mount Druitt home in a dark-coloured hatchback in May 2025.
"Go there, spray it, drive for a bit and get out," a message sent between the three co-accused said.
Parking briefly outside the home, Mate allegedly fired 26 rounds into the premises.
More bullets then sprayed the building as the car drove off.
While seven adults and four young children were inside, no one was injured.
More alleged details of the public place shooting emerged on Monday as Williams-Oliver made a bid for bail in the NSW Supreme Court.
The 20-year-old Indigenous woman is accused of booking a rideshare for one of her co-accused after the shooting.
Prosecutors claim she was part of the plan to target the boyfriend of one of the home's occupants.
She was arrested and placed on remand in December, facing charges of firing a firearm into a dwelling place, participating in a criminal group and possessing an unregistered firearm.
Justice Sarah Huggett granted bail on Monday after Williams-Oliver was approved for a drug rehabilitation program on the NSW Central Coast.
Prosecutor Ben Edye did not oppose her release.
The 20-year-old had experienced prior trauma, been diagnosed with psychological and psychiatric issues, and was a vulnerable person in custody due to her First Nations status, the judge said.
The strict conditions of the 12-week rehab program plus additional bail conditions imposed by the court meant Williams-Oliver would not reoffend or pose a risk to the community, Justice Huggett added.
After she is released from Dillwynia Prison on Tuesday, she will have to immediately attend the rehab centre.
She has also been barred from drinking alcohol or taking illicit drugs while on bail.
All three co-accused will next appear at Penrith Local Court on May 8.
None have entered pleas.
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