Variables are a way to store values with a given name so they can be later reused from different parts…

We can create a global variable in the header using var directive. We need to give it a name and…

A logical operator is a symbol or word used to connect two or more expressions such that the value of…

Flow control is used when you want to execute certain parts of your code in some situations, while not executing…

An if statement evaluates a conditional expression and returns the value under the if only if the conditional expression returns…

You can chain several else expressions together within an if-else construct by incorporating else if.

A do statement creates a scope in which new variables, functions, annotations, or namespaces can be declared and used.

A match expression contains a list of case statements that can optionally have an else statement. Each case statement consists…

You can define your own DataWeave functions using the fun declaration in the header of a DataWeave script.

We create functions in the declarations section of the script using the fun keyword. This associates a set of functionality…

DataWeave provides multiple ways to create functions. Just like we have named functions, we have functions without names, called lambdas.

In other words, lambdas become useful when you want to pass functions as arguments to other functions, or return a…