MuleSoft Composer Glossary


The credentials that give you access to a system where you want to access data: the username and password, and the URL where you enter them to gain access. Some systems require additional information such as a security token.

data pill

A variable that allows you to reference a field name or other data structure from within a flow.

data structure

Structures that store data in a system. For example, Salesforce stores data in sObjects and fields, and Google Sheets stores information in sheets, rows, and cells.


An automated process that connects to a system and then performs actions on data from that system:

  • action: Something you do with the data fetched from a connection, such as copying a record or row from one system to another.

  • step: A trigger, or one or more actions. Steps include the logic needed to decide whether to perform the step or skip it. A step optionally includes a connection different from the initial trigger.

  • trigger: The first step of every flow, a trigger is something that starts the automated process defined in a flow. A trigger is either an event such as "a new record is created," or a specified point in time. Time-based triggers are called schedulers. The first step of every flow is a trigger.


The circumstances or requirements that must be met before an action is taken: if/else statements or for-each statements. Insert logic into steps as needed to ensure actions are taken only on the data that should be acted on, not on all the data returned.


Composer connects to systems such as Salesforce, NetSuite, and Google Sheets to execute automated processes which you build, test, and activate as flows. Connections to a system can be made during any step in a flow. Flows must connect to a system during the first step, the trigger or scheduler, even if that system is the same Salesforce org where Composer is hosted.


A change made by MuleSoft Composer for Salesforce to an object or record in the target system(s) of an integration flow that is an insertion, update, or deletion.

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