Known Issues and Limitations for MuleSoft Composer

When testing an Invocable Flow, if the value in the output fields was generated by a custom expression or if the value is either a List<Object> or a List<Primitive> data type, then the flow’s final output step does not display the test output data. Output fields that refer to data pills or variables display test output as expected.

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When adding an action or a trigger, the Service field dropdown menu might appear empty, which prevents completing the connector configuration.

Similarly, during configuration, the Retrieving metadata for the step failed error might occur.

This is an intermittent issue that should resolve after a brief period of time.

W-13527982

Input parameter values of String or date data types must be provided between single quotes using the expression editor.

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W-12696210

If connecting to a different RPA than one for which that the existing flow was built, the current RPA process is not automatically mapped to the processes in the new org.

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When getting a JSON from RPA, you can pass a list of objects to a connector supporting lists. For example, you can pass the list of order line items to NetSuite.

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When getting a JSON from RPA, you cannot use primitive values of a list when iterating the list. For example, a list of strings can be iterated, but you cannot do anything with the resulting values.

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When deleting a connection, Composer ensures that there are no flows using that connection. If there are flows using that connection, they appear in a list in the Delete Connection window. However, in rare cases, flows created or edited before July 12, 2022 might not appear in the list.

In the Invoice object, all fields containing the data type number for amounts are sent as strings.

Using the Custom Expression Editor, you can use the typecasting function, fromStringToNumber, to change the field type from string to number. For example:

Unit Cost=fromStringToNumber(Sales Price)