Apply a template to the chart in ctx: replace puts its studies in place of the user's (a study the host keeps stays), append adds them in new panes. False when appending found nothing to add. A failure puts the chart back as it was and throws.
ctx
replace
append
Optional
Apply a template to the chart in
ctx:replaceputs its studies in place of the user's (a study the host keeps stays),appendadds them in new panes. False when appending found nothing to add. A failure puts the chart back as it was and throws.