This is probably the most common causative structureThe way in which the parts of a sentence, clause or expression are arranged. E.g.: make somebody + infinitive in "The teacher made me rewrite the composition.", which stresses the objectA person or thing that is affected by the action of a verb or involved in the result of an action. of the actionA general term expressing that somebody or something does something, rather than its agentThe doer of an action; the person or the thing that does something. E.g.: True Romance was written by Tarantino. ("Tarantino").

We are having the house redecorated.

It can also be used to express accidents or misfortunes happening to someone.

I had my bike stolen.
He had his leg broken in a car crash.

You must have noticed that this have is not an auxiliaryA helping verb used with main verbs to express mood, voice and tense. E.g.: I can't stand when I am disturbed. ("can", "am") here but a main verbA verb that can express an action or state in itself. E.g.: John likes squash a lot. ("like"). Therefore it can be used in all tenseA grammatical category that is marked by verb inflection. To express when an event or action happens in time or when a state exists, we use tenses.s.

Causative with an emphasis on the activity
Causative with an emphasis on the activity GET + something + past participle