The phrase "added at one point" is correct and usable in written English.
It can be used to indicate that something was included or introduced at a specific time in the past.
Example: "The feature was added at one point during the development process, but it was later removed due to user feedback."
Alternatives: "included at some time" or "introduced at a certain moment".
Come on!" he added, at one point laughing at Akin's remark.
She said the boy was punished, but added, at "one point in time I was saying it was my fault".
Later, the drinking cure was added, at one point requiring as many as 50 cups of water a day.
She added: "At one point in the report they say I didn't want to proceed, but that's not true.
However, she added, at one point the scale of Adoboli's liabilities to the bank through vast trades, which were not properly hedged to mitigate the risk, reached almost $12bn.
IN addition to the long open living area, the parlor floor has a dining room table and chairs, and, in the long and narrow extension added at one point to the house, a kitchen with cabinets of birch fronted with frosted glass.
"I am not running for President," she said repeatedly on Monday, in an interview with National Public Radio's Steve Inskeep, adding at one point: "You want me to put an exclamation point at the end?" But when Inskeep pressed her to change tenses and say that she would never enter the race, she declined.
"I don't give a fuck what the tabloids say," he adds at one point.
His sister adds, "At one point he asked for a mirror, but we didn't dare give him one, he looked so frightening".
Musing aloud, Justice Breyer said several times that "there must be some way of showing when the state has gone too far," adding at one point, "The problem I'm struggling with is whether there's an objective standard".
Markham was engaging, pleasant and winsome, adding at one point with a modest smile, "Back home, a long time ago, I was told to always read the sports pages like you read the funny pages".
