The Grails Framework 6.0.0

(Quick Reference) ## findWhere ### Purpose Uses named arguments corresponding to domain class property names to execute a query returning the first matching result. ### Examples Given the domain class:
    class Book {

       String title
       Date releaseDate
       String author

       static constraints = {
          releaseDate nullable: true
       }
    }
You can query in the form:
    def book = Book.findWhere(author: "Stephen King", title: "The Stand")

    boolean isReleased = Book.findWhere(author: "Stephen King",
                                        title: "The Stand",
                                        releaseDate: null) != null
### Description Parameters: `queryParams` - A `Map` of key/value pairs to be used in the query | Quick Reference (hide)