The Section Expanded Flags property is an array that contains the status of section expansions in Accordion element. The status can be 0 (collapsed) or 1 (expanded).
To get the expand status for certain section, just append "[index]" statement after the property. The array index starts from 1, so the status for first section is [Element.sectionExpandedFlags][1].
Format in expression: [Element.sectionExpandedFlags][index]
Example: [Accordion_1.sectionExpandedFlags][1] (This represent the expand status for the first section)
This property is available for Accordion