How do you write a flashback in writing?

So if you need a flashback, it’s simple: Write a sentence or two of transition, then do a scene break, then write the flashback, and then do another scene break.
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A flashback has three parts:
  1. The segue out of the present and into the past.
  2. The backstory scene itself.
  3. The segue out of the backstory and into the present.

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What is an example of a flashback?

Examples of Flashback: 1. In a story about a girl who is afraid of heights, there is a flashback to a time when she fell off of the top of a playground as a young child. … A story begins with a scene of a desolate, destroyed town, then flashes back to a time when the town was full of life and people.