> For the complete documentation index, see [llms.txt](https://docs.greytrix.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.greytrix.com/gumu-sage-crm-integration/sage-100/installation-guide/pre-requisites/object-interface-keys-should-be-activated-in-sage-100.md).

# Object interface Keys should be activated in Sage 100

Object Interface keys should be installed and keys should be valid. Refer below screen.

**Note**: Object Interface Keys are inbuilt in Sage 100 version 4.3 onward

![](/files/-MNXEBB9O74RoimmomPe)

Note: The length of the Fields in Sage CRM and Sage 100 should be similar; if there are any changes in the fields of either one system then the same changes should be made in the other system. For convenience we have kept a Standard Size in our integration.