identity
The identity fn returns an input value as output.
The identity fn is useful in testing or building systems in which the middleware performs all the necessary work to handle an invocation.
fnrunner Key
fnrun.fn/identity
Configuration
N/A
Examples
The following configuration describes a system that echoes JSON http requests.
source:
fnrun.source/http:
treatOutputAsBody: true
outputHeaders:
content-type: application/json
middleware:
- fnrun.middleware/key: body
fn: fnrun.fn/identity