in one of my questions , i got solution for my header issue , it turned out that i need to get header value from file.properties
i tried following code but value is showing to be null
<property name="API_KEY" expression="get-property('conf:/config.properties', 'API_KEY')" scope="default" type="STRING" />
<header name="Authorization" value="Bearer $ctx:API_KEY" />
i also tried $FILE:API_KEY but it didnt work too
Assuming you have configured file.properties
file. You can do something like below to set a transport header.
<property name="MyHeader" expression="get-property('file','YOUR_KEY_NAME')" scope="transport" />