The following example uses userName.^myCustomMetadata to return the value of custom metadata that is defined as a variable (named userName)…
The following example uses the Set Payload component (set-payload) to produce a binary value, then uses the Transform Message component…
In the following Mule app flow, the Loggers use payload.^mimeType to select a string "my string", then to select a…
Returns the MIME type of a value that includes parameters (for example, application/json;charset=UTF-16). The expression in the value of {…
In the following Mule app flow, the Logger uses payload.^encoding to select the encoding of "my string"`set in the Set…
Returns the class of the Plain Old Java Object (POJO). The value might result from calling a method in a…
In the following Mule app flow, the Logger uses payload.^contentLength to select the length of the string my string, set…
Returns the value of specified metadata for a Mule payload, variable, or attribute.
You can check for the presence of a given key. ! evaluates the selection and fails with an exception message…