The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - How to Write a Function Modifier in

The video tutorial covers the concept of function modifiers in Solidity, focusing on the 'only owner' modifier. It explains the purpose of modifiers, how to implement them, and their role in access control. The tutorial guides viewers through writing a custom 'only owner' modifier, using the 'require' statement to ensure only the contract owner can execute certain functions. The process includes setting up the owner address and using a constructor for initialization. The tutorial emphasizes understanding and writing custom logic within modifiers to enhance contract security and functionality.

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