The 'l' suffix is easily confused with the digit '1' -- use 'L' for clarity

This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.

The variable 'ex' is declared but never used

Unreachable code detected

The variable 'ex' is declared but never used

Unreachable code detected

The variable 'ex' is declared but never used

Field 'InteractionExtension.logger' is never assigned to, and will always have its default value null

Number of parameters supplied in the logging message template do not match the number of named placeholders (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2017)