That inclusion is not attested in Akkadian versions of the story, nor in contemporary sources, that would date from the period of the Akkadian Empire, but some scholars hold that Hittite version (from  1400 BCE) is conditionally reliable, and probably derived from some local sources.
While the inclusion isn't documented in Akkadian versions or historical records from the time of the Akkadian Empire, some experts suggest that the Hittite version (dating back to 1400 BCE) could be a trustworthy source, potentially based on local accounts.