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How are custom modules used in mule component?
Custom modules can define functions, variables, types, and namespaces. You can import these modules into a DataWeave script to use the features. Custom mapping files are a type of module that contains a complete DataWeave script that you can import and use in another DataWeave script or reference in a Mule component.
How to import a function from a module?
Import the module, for example: import modules::MyModule. In this case, you must include the name of the module when you call the element (here, a function) in it, for example: MyModule::myFunc. Import all elements from the module, for example: import * from modules::MyModule.
What happens when a module is imported into PowerShell?
When a module is imported, a new session state is created for the module, and a System.Management.Automation.PSModuleInfo object is created in memory. A session-state is created for each module that is imported (this includes the root module and any nested modules).
How to create custom modules in MuleSoft studio?
Imports the module MyModule through the import directive in the header. In this case, the imported module is stored in a Studio project path src/main/resources/modules/MyModule.dwl Calls a function in MyModule by using MyModule::myFunc (“dataweave”).
How are output values declared in a module?
Each output value exported by a module must be declared using an output block: The label immediately after the output keyword is the name, which must be a valid identifier. In a root module, this name is displayed to the user; in a child module, it can be used to access the output’s value.
Can a child module print a parent module’s output?
A child module can use outputs to expose a subset of its resource attributes to a parent module. A root module can use outputs to print certain values in the CLI output after running terraform apply .