# What is the Membership ID?

> Source: https://support.associationsphere.com/what-is-the-membership-id  |  Updated: 2024-05-01T17:52:40Z

The Membership ID is a unique value assigned to each membership transaction. The ID will always have a “CM-“prefix which is followed by a number going up from “00001”. This ID will help track group memberships on the Memberships grid - Detail View as all the constituents included within the same membership transaction with have the same Membership ID listed.

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