Alkenylamines; by usage the term refers specifically to vinylic amines, which have the structure
R2NCR=CR2.
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1333 (https://doi.org/10.1351/pac199567081307)