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Represents the definition of a single approval process. Use this object to read the description of an approval process. The definition is read-only. We can not modify the record created in ProcessDefinition Object. But we can describe, query, search and retrieve the approval processes information. ...

Represents the Process Steps created for particular approval process(ProcessDefinition). This object is used to read the description of process step. In simple words ProcessNode records describes a step in a process definition. We can describe, query, search and retrieve the approval processes Steps...

Represents an instance of a single, complete approval process. ProcessInstance record is created every time for particular object record which is submitted for approval. Its is also read-only object. We can describe, query and retrieve the approval processes Instance. ~ Query ~ SELECT CompletedDat...

Both objects ProcessInstanceStep & ProcessInstanceWorkItem are instances of process steps that are created for particular ProcessInstance. ProcessInstanceStep represents a step instance in an approval process (ProcessInstance) on which users has already acted and ProcessInstanceWorkItem represen...

The ProcessInstanceHistory is the object which is neither searchable nor queryable & this is the read-only object which shows all steps and pending approval requests associated with an approval process (ProcessInstance). But we can use this object to replicate the related list functionality of t...