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AspNet Request Trailers Layout Renderer
Rolf Kristensen edited this page Aug 28, 2023
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ASP.NET Request Trailers
Platforms Supported: Limited (Only supported in Asp.NetCore)
Introduced with NLog.Web.AspNetCore v5.1.0
${aspnet-request-trailersitems=String[]:outputFormat=Enum
:itemSeparator=String:valueSeparator=String
:valuesOnly=Boolean}
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Items - Trailer names to be rendered. A list of keys can be passed as comma separated values, e.g.:
Key1,Key2
(Not specified means all)Introduced with NLog.Web / NLog.Web.AspNetCore v5.2.1, and replaces the
TrailerNames
-option. -
Exclude - Trailer names to be excluded. A list of keys can be passed as comma separated values, e.g.:
Key1,Key2
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outputFormat - Renders as flat string or as JSON. Default:
Flat
.-
Flat
- Key-value-pair as standard string -
JsonArray
- Key-value-pair in JSON-array -
JsonDictionary
- Key-value-pair as JSON-dictionary
-
-
itemSeparator - Separator between items. Default:
,
. Only applies when OutputFormat isFlat
. -
valueSeparator - Separator between value and key. Default:
=
. Only applies when OutputFormat isFlat
. -
ValuesOnly - Only render the values of the key/value pairs. Default:
false
. -
LowerCaseKeys - Convert Keys to lowercase. Default:
false
.Introduced in NLog.Web / NLog.Web.AspNetCore 5.1.1
- Troubleshooting Guide - See available NLog Targets and Layouts: https://nlog-project.org/config
- Getting started
- How to use structured logging
- Troubleshooting
- FAQ
-
All targets, layouts and layout renderers
Popular: - Using NLog with NLog.config
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