The phrase "secured the commitment" is correct and can be used in written English.
It means to obtain a promise or agreement from someone to do something. One example of how to use this phrase in a sentence is: "After weeks of negotiations, the company finally secured the commitment of the new client to sign a long-term contract."
(The scheme is named after the Labour peer Alf Dubs, who secured the commitment to help an unspecified number of refugee children as an amendment to the government's Immigration Bill).
To that end, I've secured the commitment from Senator Carl Levin, Chair of the Armed Services Committee, to hold the first hearing on the policy since it began 16 years ago.
Mrs. Clinton said she had secured the commitments of the various Democratic Party organizations that would be affected by the prohibition, as well as the Working Families Party and Liberal Party, which have also endorsed her candidacy.
The US state department has made strong representations to China to secure the commitment to shut down its local trade.
Shapiro also told Yahoo that he paid $10,000 to secure the commitment of the current Miami basketball player DeQuan Jones with the knowledge of the former Miami assistant Jake Morton.
The further ahead one looks, the more important it will be for our global campaigns to secure the commitment and leadership of powerful countries in both north and south.
"We have gained the financial support of the world's largest chemical companies and are working rapidly to secure the commitment of many other global leaders that have expressed interest," Elemica's chief operating officer, Dennis Campbell, said in the statement.
Applicants for the overseas awards are responsible for securing the commitment of their host institutions.
It is quite common today that companies want to secure the commitment of their top management to stay with the company.
With the adoption of Participatory Deliberative Integration, road safety management agencies should secure the commitment of key stakeholders in the development and implementation of, amongst other policy measures, National Road Safety Strategies and Mix Mode Integrated Timetabling.
The successful change agent secures the commitment of his team even to ideas he may not like, by taking a leadership role in helping his team members seek collective meaning, addressing the concerns of doubters, transforming culture and appreciating the inevitable early difficulties.
