The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Exercise - Write a Function Modifie

The video tutorial guides viewers through creating a function modifier in a contract. It begins with an introduction to the exercise and necessary setup, followed by detailed instructions on creating and implementing a 'costs' modifier. The tutorial emphasizes checking the sender's value against a price requirement. It concludes with final instructions and hints to help viewers complete the exercise, encouraging them to pause and try it themselves before reviewing the solution in the next video.

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