In Azure Functions, each function must have exactly one trigger. However, you can mix different types of bindings (input and output) with a single trigger to handle various scenarios. For example, you can have an HTTP trigger with bindings to read from Blob Storage and write to Azure Cosmos DB[4][5].
While you cannot use multiple triggers within a single function, it is common to have multiple functions within a single Azure Function App, each with its own trigger type. This approach allows you to manage different triggers and functionalities efficiently[2][4].
For instance, you can have one function with an HTTP trigger, another with a Timer trigger, and another with a Queue trigger, all within the same Function App. This setup is acceptable and aligns with best practices, as long as you consider resource sharing and performance implications[2][3].
Therefore, while you cannot mix different trigger types in a single Azure Function, you can effectively manage multiple functions with different triggers within a single Function App.
Citations:
[1] https://stackoverflow.com/questions/41695474/multiple-triggers-for-an-azure-function
[2] https://stackoverflow.com/questions/62447621/best-practice-with-azure-functions-implementation-and-trigger
[3] https://learn.microsoft.com/en-us/answers/questions/1350927/is-there-any-limit-for-an-azurefunctions-trigger
[4] https://learn.microsoft.com/en-us/azure/azure-functions/functions-triggers-bindings
[5] https://turbo360.com/blog/azure-functions-triggers-and-bindings
[6] https://www.youtube.com/watch?v=zIfxkub7CLY
[7] https://www.youtube.com/watch?v=WV_I-jgbgYQ
[8] https://docs.azure.cn/en-us/azure-functions/functions-best-practices
[9] https://dev.to/azure/debugging-multiple-azure-functions-apps-at-the-same-time-1ka4