Trace telemetry: Application Insights data model
Trace telemetry (in Application Insights) represents
printf style trace statements that are text-searched.
NLog, and other text-based log file entries are translated into instances of this type. The trace does not have measurements as an extensibility.
Max length: 32768 characters
Trace severity level. Value can be
Name-value collection of custom properties. This collection is used to extend standard telemetry with the custom dimensions. Examples are deployment slot that produced telemetry or telemetry-item specific property like order number.
Max key length: 150 Max value length: 8192