coalesce()

Applies to: ✅ Azure Data Explorer ✅ Azure Monitor ✅ Microsoft Sentinel

Evaluates a list of expressions and returns the first non-null (or non-empty for string) expression.

coalesce(arg,arg_2,[arg_3,...])

Learn more about syntax conventions.

The value of the first arg whose value isn't null (or not-empty for string expressions).

print result=coalesce(tolong("not a number"), tolong("42"), 33)

Output