Reaching the European final is the bright spot of a poor season for West Ham, with Moyes' future looking uncertain at one point as they plunged into the relegation zone earlier this year, though they have since climbed to the brink of safety.
The Scot has taken the London club to a European semi-final for the second successive season and hopes to go one better this time by getting past Dutch club AZ Alkmaar.
West Ham finished seventh last season, securing a place in the Europa Conference League.
Former Manchester United manager David Moyes believes Jose Mourinho retains the full backing of the club and their supporters despite a poor start to the Premier League season.
West Ham United manager David Moyes said that recent off-field problems at the club had nothing to do with Saturday's 3-1 Premier League defeat at Brighton
West Ham United went down 2-0 at Watford as David Moyes' tenure as manager got off to a losing start after a goal in each half at Vicarage Road on Sunday.
David Moyes stated his first task would be to build a solid defensive unit capable of grinding out results in the Premier League.