8.6Properties versus Mule variables
Don't confuse:
${salesforce.host}
with:
vars.salesforceId
They solve completely different problems.
Configuration property
${salesforce.host}
Usually:
static for application/environment
Example:
qa-salesforce.company.com
Mule variable
vars.salesforceId
belongs to one event/request.
Example:
001ABC123
So:
${...}
→ application configuration
vars...
→ current Mule event state