Flow vs Private Flow vs Sub Flow in Mule 4

What is Flow?

• A Flow has source , process and error handling part.

• Souce is mandatory in a flow

What is Private Flow?

• A private flow with no source but has process and error handling part.

• Source needs to be empty in private flow

• Private flow is called using flow reference

What is Sub Flow?

• A Sub Flow has no source and error handling part.

• It has only process part.

• Sub flow is called by flow reference.