Most people who take this oath give their name after "I" at the beginning of the oath and add "so help me God" at the end.
The Oath of Office is located in Article II of the U.S. Constitution. It is in the last paragraph of Section 1 of that article.
The oath appears in the US Constitution.
Yes- the President must take the oath of office as required by the US Constitution.
the Constitution of their country and to faithfully discharge the duties of their office.
He takes the oath of office prescribed by the constitution.
They take an oath to support the Constitution.
The Secretary of State's oath of office is a solemn pledge taken to faithfully execute the duties of the office and to uphold the Constitution and laws of the United States. The oath typically includes a commitment to support and defend the Constitution against all enemies, foreign and domestic. It emphasizes the importance of integrity, loyalty to the Constitution, and the responsibility to serve the nation and its citizens. This oath is administered before the official assumes their duties.
The oath of office and similar things? No, there is no such portion.
Constitution
The US Constitution gives this choice of wording in the required oath of office.
Presidential Oath of Office I do solemnly swear (or affirm) that I will faithfully execute the Office of President of the United States, and will to the best of my Ability, preserve, protect and defend the Constitution of the United States.