A 26-year-old man has admitted being concerned in the offer to supply drugs.
Neil Emmett Deery, of Glenabbey Gardens, pleaded guilty to being concerned in an offer to supply cannabis on November 9, 2013.
Sentencing was adjourned for a probation pre-sentence report to be compiled.
Derry Crown Court heard the 26-year-old has six previous drug convictions.
Deery was released on bail with conditions including a curfew. He will appear in court again on March 18.