SRVOCF-360: Updated curl command to kn

Author: abrennan89

modules/serverless-nodejs-context-object-reference.adoc

@@ -16,12 +16,12 @@ function handle(context) {
 }
 ----
 
-You can access the function by using the `curl` command to invoke it:
+You can access the function by using the `kn func emit` command to invoke it:
 
 .Example command
 [source,terminal]
 ----
-$ curl http://example.com
+$ kn func emit --sink 'http://example.function.com'
 ----
 
 .Example output
@@ -81,7 +81,7 @@ You can access the function by using the `curl` command to invoke it:
 .Example command
 [source,terminal]
 ----
-$ curl -X POST -d '{"hello": "world"}' -H 'Content-type: application/json' http://example.com
+$ kn func emit -d '{"Hello": "world"}'
 ----
 
 .Example output
@@ -103,12 +103,12 @@ function handle(context) {
 }
 ----
 
-You can access the function by using the `curl` command to invoke it:
+You can access the function by using the `kn func emit` command to invoke it:
 
 .Example command
 [source,terminal]
 ----
-$ curl -H 'x-custom-header: some-value’' http://example.com
+$ kn func emit --sink 'http://example.function.com'
 ----
 
 .Example output