California Code, Family Code - FAM § 7892

(a) The testimony of the child may be taken in chambers and outside the presence of the child's parent or parents if the child's parent or parents are represented by counsel, the counsel is present, and any of the following circumstances exist:

(b) The testimony of a child also may be taken in chambers and outside the presence of the guardian or guardians of a child under the circumstances specified in subdivision (a).

(c) A finding pursuant to this section shall be supported by clear and convincing evidence.

(d) After testimony in chambers, the parent or parents of the child may elect to have the court reporter read back the testimony or have the testimony summarized by counsel for the parent or parents.