# Expected variables:
# RGRAPH_NS (str): e.g. ""

$SET_INT MAX_AGE 100


state "string_appear":
    if:
    then: goto delay: "_string_appear"

state "_string_appear":
    rgraph: $PREFIX RGRAPH_NS "string_appear"

    if:
    then: goto: "string_stay"

state "string_stay":
    rgraph: $PREFIX RGRAPH_NS "string_stay"

    if:
    then:
        inc myvar("age")
        continue

    if: expr: > myvar("age") $GET_INT MAX_AGE
    then: goto delay: "string_disappear"

state "string_disappear":
    rgraph: $PREFIX RGRAPH_NS "string_disappear"

    if:
    then: remove