power under Tex.R.Civ.P 329b(g). Without filing certain motions, the trial court’s plenary power to act in a case expires thirty days after the court signs the judgment. Tex.R.Civ.P. 329b(g). Rule 329b(g) provides in part, A motion to modify, correct, or reform a judgment (as distinguished from motion to correct the record of a judgment under Rule 316), if filed, shall be filed and determined within the time prescribed by this rule for a motion for new trial and shall extend the trial court’s plenary power and the time for perfecting an appeal in the same manner as a motion for new trial. Courts have construed Rule 329b(g) to mean that if the relief requested in a post-judgment motion results in a change in the judgment, the trial court’s plenary .App.-San Antonio 1998, no pet. h.)(<HOLDING>); Home Owners Funding Corp. of Amer. v.
holding that a timely filed motion for sanctions which specifically requested modification of judgment extended trial courts plenary power holding that a postjudgment motion to incorporate a sanction as part of the final judgment is a motion to modify the judgment and extends the trial courts jurisdiction holding time limits for filing pcra not renewed or extended by filing any other collateral postjudgment proceeding holding that because the finality of judgment is effectively postponed by the timely filing of a motion under rule 59 the deadline for filing a motion for attorneys fees is tolled until the postjudgment motion is resolved holding that appellate timetable is extended by filing postjudgment motion or other instrument that is 1 timely filed and 2 assails the trial courts judgment