userm1_run Subroutine

  subroutine userm1_run(comp, importState, exportState, clock, rc)
    type(ESMF_GridComp) :: comp
    type(ESMF_State) :: importState, exportState
    type(ESMF_Clock) :: clock
    integer, intent(out) :: rc

    type(ESMF_VM)               :: vm
    integer                     :: petCount, status, myPet
    character(ESMF_MAXSTR)      :: name3, name2, value32, convESMF, purpGen
    character(ESMF_MAXSTR)      :: name_to_add, value_to_add
    type(ESMF_Field)            :: field
    type(ESMF_FieldBundle)      :: fieldbundle
    type(ESMF_AttPack)        :: attpack

    rc = ESMF_SUCCESS

    convESMF = 'ESMF'
    purpGen = 'General'
    name2 = 'StandardName'
    name3 = 'LongName'
    value32 = 'CHANGED!!'
    name_to_add = "new_attribute"
    value_to_add = "new_att_value"


    call ESMF_GridCompGet(comp, vm=vm, rc=status)
    if (status .ne. ESMF_SUCCESS) return
    call ESMF_VMGet(vm, petCount=petCount, localPet=myPet, rc=status)
    if (status .ne. ESMF_SUCCESS) return

    call ESMF_StateGet(exportState, "fieldbundle", fieldbundle, rc=rc)
    if (rc/=ESMF_SUCCESS) return
    call ESMF_FieldBundleGet(fieldbundle, fieldname="field", field=field, rc=rc)
    if (rc/=ESMF_SUCCESS) return

    ! it's actually the CF/Extended (nested) package that contains "StandardName"
    call ESMF_AttributeGetAttPack(field, "ESMF", "General", attpack=attpack, rc=status)
    if (rc/=ESMF_SUCCESS) return

    call ESMF_AttributeRemove(field, name=name2, attpack=attpack, rc=status)
    if (rc/=ESMF_SUCCESS) return

  end subroutine userm1_run