As a user, I want complete and well-organized documentation on Mule expressions

• Similar Issues:

  None

This includes

• A general description of Mule expressions that makes it clear how they differ from Spring property placeholders
• A precise description of where Mule expressions are used in configurations
• A complete list of all the evaluators
• For each evaluator, a description of the meta-syntax it supports
• For each evaluator, a list of the expressions is supports
• An explanation of how to create custom evaluators

Acceptance Criteria

• Complete reference documentation for all expression types
• Sufficient examples tutorial documentation for users to be able to create correct expressions for the most common use cases