Note that the concept of an indirect object may be rendered by a prepositional phrase.
From the en.wikipedia.org
Prepositional phrases can also modify more than one object.
From the infowars.com
Note that, as mentioned above, in a dependent-clause-initial prepositional phrase the relative pronoun serving as the object of the preposition can never be that.
From the en.wikipedia.org
Prepositional verbs are phrasal verbs that contain a preposition, which is always followed by its nominal object.
From the en.wikipedia.org
A prepositional phrase should not be confused with the sequence formed by the particle and the direct object of a phrasal verb, as in turn on the light.