Identify the main text structure used in the passage below.
Before Kaya went outside, he put on warm clothes and mittens. Then, he
put on snow boots. When he was all dressed, Kaya went out into the yard.
He found a flat space to build his snowman. He made three small snowballs..
Then, he added more and more snow. Soon, the snowman was taller than
Kaya. Finally, he added sticks and a carrot nose. What text structure is this