In summary, here are 10 of our most popular create+user-defined+functions courses

• Developing APIs with Google Cloud's Apigee API Platform: Google Cloud
• Coding for Everyone: C and C++: University of California, Santa Cruz
• Excel Functions, Lookups, and Secure Spreadsheet Automation: Coursera
• Developing Applications with Google Cloud: Google Cloud
• Abstracting with Functions: Packt
• Functional Programming in Scala: École Polytechnique Fédérale de Lausanne
• Test-Driven Development: LearnQuest
• Create the User Interface in Android Studio: Meta
• Creative Content Creation Toolkit: Coursera
• Google Cloud 上での Cloud Run functions を使用したアプリケーション開発: Google Cloud