Visual Indicators
Arrow Icon: Use a right-facing arrow next to the transaction. When clicked, it rotates downward to indicate the item is expanded.
Plus/Minus Icon: Use a "+" icon next to the transaction that changes to "-" when expanded.
Ellipsis: Use a "..." button that, when clicked, expands the transaction.
Chevron: Use a chevron icon that points right and rotates to point down when expanded.
Interaction Methods
Single Click: A single click on the transaction expands it.
Double Click: Require a double-click to expand.
Long Press: A long press expands the item.
Swipe Right: A swipe right gesture expands the item.
Hover: On desktop, hovering over the item for a few seconds automatically expands it.
Buttons and Links
"Show More" Button: A button within or next to the transaction that says "Show More."
"Details" Link: A hyperlink labeled "Details" that expands the transaction when clicked.
Inline Buttons: Small buttons like "Expand," "More Info," or an eye icon within the transaction row.
Context Menu
Right-Click Menu: A context menu appears upon right-clicking, with an option to "Expand Transaction."
Three Dots Menu: A vertical three dots menu that, when clicked, shows an option to expand.
Animation and Effects
Accordion Style: The item expands in an accordion style, pushing down other items.
Pop-up: The expanded details appear in a pop-up or modal window.
Slide Down: The additional transactions slide down from the clicked item.
Fade In: The expanded details fade in for a smoother visual effect.
Advanced Features
Multi-Level Expansion: Allow for multiple levels of expansion to show even more granular details.
Keyboard Shortcuts: Use keyboard shortcuts like Enter or Space to expand and collapse.
Voice Command: Integrate voice recognition to expand items through voice commands.
Drag to Expand: Allow users to drag the edge of the transaction to expand it manually.
Accessibility
Screen Reader Support: Ensure that the expand/collapse action is narrated correctly.
High Contrast Icons: Use high contrast for expand/collapse icons for better visibility.