* Issue can be both a noun and a verb.
As a noun:
* It refers to a topic or problem that is being discussed or debated.
* Example: "The main issue at the meeting was the budget." (Here, "issue" is the subject of the sentence.)
As a verb:
* It means to give out something officially or to formally present something.
* Example: "The government issued a statement on the new policy." (Here, "issued" is the verb.)
To figure out the function of "issue" in your sentence, you need to provide the full sentence.
For example:
* "The issue is important." Here, "issue" is a noun and the subject of the sentence.
* "They issued a warning." Here, "issued" is a verb.
In short, "issue" can be either a noun or a verb depending on the context of the sentence. To determine its role, you need the complete sentence.