# 
## pos.cart-update.event.observe
An event extension target that observes cart updates
  > Note:
  > This is part of a POS UI Extensions developer preview. More information to come.
[View pos.cart-update.event.observe](/docs/api/pos-ui-extensions/unstable/targets/pos-cart-update-event-observe)
## pos.cash-tracking-session-complete.event.observe
An event extension target that observes when cash tracking session completes
  > Note:
  > This is part of a POS UI Extensions developer preview. More information to come.
[View pos.cash-tracking-session-complete.event.observe](/docs/api/pos-ui-extensions/unstable/targets/pos-cash-tracking-session-complete-event-observe)
## pos.cash-tracking-session-start.event.observe
An event extension target that observes when cash tracking session starts
  > Note:
  > This is part of a POS UI Extensions developer preview. More information to come.
[View pos.cash-tracking-session-start.event.observe](/docs/api/pos-ui-extensions/unstable/targets/pos-cash-tracking-session-start-event-observe)
## pos.customer-details.action.menu-item.render
A static extension target that renders as a menu item on the customer details screen
[View pos.customer-details.action.menu-item.render](/docs/api/pos-ui-extensions/unstable/targets/pos-customer-details-action-menu-item-render)
## pos.customer-details.action.render
A full-screen extension target that renders when a `pos.customer-details.action.menu-item.render` target calls for it
[View pos.customer-details.action.render](/docs/api/pos-ui-extensions/unstable/targets/pos-customer-details-action-render)
## pos.customer-details.block.render
Renders a custom section within customer details screen
[View pos.customer-details.block.render](/docs/api/pos-ui-extensions/unstable/targets/pos-customer-details-block-render)
## pos.draft-order-details.action.menu-item.render
A static extension target that renders as a menu item on the draft order details screen
[View pos.draft-order-details.action.menu-item.render](/docs/api/pos-ui-extensions/unstable/targets/pos-draft-order-details-action-menu-item-render)
## pos.draft-order-details.action.render
A full-screen extension target that renders when a `pos.draft-order-details.action.render` target calls for it
[View pos.draft-order-details.action.render](/docs/api/pos-ui-extensions/unstable/targets/pos-draft-order-details-action-render)
## pos.draft-order-details.block.render
Renders a custom section within the native draft order details screen
[View pos.draft-order-details.block.render](/docs/api/pos-ui-extensions/unstable/targets/pos-draft-order-details-block-render)
## pos.home.modal.render
A full-screen extension target that renders when a `pos.home.tile.render` target calls for it
[View pos.home.modal.render](/docs/api/pos-ui-extensions/unstable/targets/pos-home-modal-render)
## pos.home.tile.render
A static extension target that renders as a smart grid tile
[View pos.home.tile.render](/docs/api/pos-ui-extensions/unstable/targets/pos-home-tile-render)
## pos.order-details.action.menu-item.render
A static extension target that renders as a menu item on the order details screen
[View pos.order-details.action.menu-item.render](/docs/api/pos-ui-extensions/unstable/targets/pos-order-details-action-menu-item-render)
## pos.order-details.action.render
A full-screen extension target that renders when a `pos.order-details.action.menu-item.render` target calls for it
[View pos.order-details.action.render](/docs/api/pos-ui-extensions/unstable/targets/pos-order-details-action-render)
## pos.order-details.block.render
Renders a custom section within the native order details screen
[View pos.order-details.block.render](/docs/api/pos-ui-extensions/unstable/targets/pos-order-details-block-render)
## pos.product-details.action.menu-item.render
A static extension target that renders as a menu item on the product details screen
[View pos.product-details.action.menu-item.render](/docs/api/pos-ui-extensions/unstable/targets/pos-product-details-action-menu-item-render)
## pos.product-details.action.render
A full-screen extension target that renders when a `pos.product-details.action.menu-item.render` target calls for it
[View pos.product-details.action.render](/docs/api/pos-ui-extensions/unstable/targets/pos-product-details-action-render)
## pos.product-details.block.render
Renders a custom section within the product details screen
[View pos.product-details.block.render](/docs/api/pos-ui-extensions/unstable/targets/pos-product-details-block-render)
## pos.purchase.post.action.menu-item.render
A static extension target that renders as a menu item on the post-purchase screen
[View pos.purchase.post.action.menu-item.render](/docs/api/pos-ui-extensions/unstable/targets/pos-purchase-post-action-menu-item-render)
## pos.purchase.post.action.render
A full-screen extension target that renders when a `pos.purchase.post.action.menu-item.render` target calls for it
[View pos.purchase.post.action.render](/docs/api/pos-ui-extensions/unstable/targets/pos-purchase-post-action-render)
## pos.purchase.post.block.render
Renders a custom section within the native post purchase screen
[View pos.purchase.post.block.render](/docs/api/pos-ui-extensions/unstable/targets/pos-purchase-post-block-render)
## pos.receipt-footer.block.render
Renders a custom section within the POS receipt footer
  > Note:
  > This is part of a POS UI Extensions developer preview. More information to come.
[View pos.receipt-footer.block.render](/docs/api/pos-ui-extensions/unstable/targets/pos-receipt-footer-block-render)
## pos.transaction-complete.event.observe
An event extension target that observes completed transactions
  > Note:
  > This is part of a POS UI Extensions developer preview. More information to come.
[View pos.transaction-complete.event.observe](/docs/api/pos-ui-extensions/unstable/targets/pos-transaction-complete-event-observe)