An example of her used in a sentence is, "Emma likes to go running, since that is her favorite hobby," which means that Emma likes to go running because that is Emma's favorite hobby.
She got her a new job.
They gave her a round of applause.
They saw her at the conference.
That about does her. Let her rip.
The dog is a her.
Give it to her (after preposition)
He wrote her a letter (indirect object)
He treated her for a cold (direct object)
An example of her used as an adjective is in the phrase, "Her Royal Highness," which means she is the Royal Highness.
Her boots; her accomplishments.
This letter is addressed to her.