This phrase marks the beginning of a new part of the story. If your language has a way for doing this, you could consider using it here. (See: [[rc://en/ta/man/translate/writing-newevent]])
Here the phrase "is with you" is an idiom that means God helps or blesses Abraham. Alternate translation: "God blesses everything you do" (See: [[rc://en/ta/man/translate/figs-idiom]])