Reading part of the Message: expression="$body/child1/child2" String Concatenating: expression="fn:concat('string1','string2',...,'stringN')" Reading values from Secure Vault: expression="wso2:vault-lookup('APIM.Admin.Password')" Reading entities from ESB Registry: expression="get-property('registry', 'gov://_system/config/some/path/abc.txt')" Base64 encoding: expression="base64Encode('string_to_be_encoded')"

First we need to create and publish an API in the APIM Publisher. Then Go to the store, subscribe an application to the API, and get the consumer key and consumer secret. Then execute the follow cURL command to generate the oAuth2 token.

When there is a requirement of calling secured Web Services/Admin services without using user credentials, Mutual SSL can come in handy. What happens here is, the authentication is done using the public certificates keys. Following steps can be used to enable Mutual SSL

Here I will be talking on how to build a Random Forest Model, for a classification problem, with R. There are two libraries exists in R which we can used to train Random Forest models. Here I'll be using the package "randomForest" for