Docs SmartApps

Data handlers

The five kinds, their definitions, operations and access behaviour.

SmartApps documentation Hierarchies and levels Lanes, nodes and arrows Screens and components The expression language Data handlers Variables and scopes Approvals, clocks and escalation

Kinds

Kind	Definition	Operations
table	catalog object; columns; filter	read · update · save · delete through the source's interface
query	saved query; parameters	read
pipeline	Backbone or data-science pipeline result	read; write to the pipeline's target
api · file	REST endpoint or file; parser; mapping	read · call · write file
feed	IoT or event stream; window	read latest; command

iddh_ + name

sourcesystem and object from the catalog

columnsthe columns exposed to screens and expressions

filterdefault filter; parameters

writeinterface; mapping; enabled (per object, after test write); approval rule

auditcreated by; changed by; where used

Access

A read applies the source's access policy for the acting person plus the level's or role's scope. A write runs under the acting person's identity where the source supports it, otherwise under the integration user with the person recorded in the log.