The phrase "a final plea for" is correct and usable in written English.
It can be used when making a last request or appeal for something, often in a serious or emotional context.
Example: "In her speech, she made a final plea for peace and understanding among the communities."
Alternatives: "a last request for" or "a concluding appeal for".
For Ms. Bartels, the Web site represents a final plea for help.
Mr. Martinez's friends and family packed the courtroom, at some points sobbing as he made a final plea for leniency.
Mr. Longo waived his right to make a final plea for his life to the jury, but his lawyer, Ken Hadley, asked for mercy for him.
Ireland's prime minister, Enda Kenny, has made a final plea for a yes vote in the referendum to legalise gay marriage.
Parents of children killed in Newtown visited the leaders and Mr. Malloy, and in emotional meetings made a final plea for them to outlaw even the possession of such magazines.
Vince Cable today makes a final plea for people to change the voting system to prevent the "forces of reaction" in the Conservative Party and the right-wing press dominating the 21st century as they did the 20th.
Many survivors report that they heard a final plea from those who were killed: "Remember!
A final plea to Governor Desha for another stay of execution was denied on July 5. Later that day, the couple attempted a double suicide by taking large doses of laudanum, but both survived.
Acpo's submission enters a final plea: "There may be potential for confusion regarding the use of abbreviation CMP for 'closed material procedures' with the long established use of that abbreviation in the covert world for 'covert monitoring post/s'".
Blair then makes a final plea to Bush, this time for "words" on Israeli-Palestinian peace, which he always hoped would be a pay-off of the war, but Bush is impatient to go now.
In a final plea to people to vote for Labour, he said: "If you do that today, then tomorrow you won't have to wake up to the news that five years of the Tories has turned into a Tory decade – a decade where only the privileged few will do well, where there will be one rule for a few and another for everyone else.
