# lv_calendar_header_dropdown.h (/api/widgets/calendar/lv_calendar_header_dropdown_h)
Functions [#functions]
lv_calendar_header_dropdown_set_year_list [#lv_calendar_header_dropdown_set_year_list]
Sets a custom calendar year list
```c title=" " lineNumbers=1
void lv_calendar_header_dropdown_set_year_list(lv_obj_t *parent, const char *years_list)
```
Parameters
| Name | Type | Description |
| ------------ | ------------------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `parent` | | pointer to a calendar object |
| `years_list` | `const char *` | pointer to an const char array with the years list, see lv\_dropdown set\_options for more information. E.g. \`const char \* years = "2023\n2022\n2021\n2020\n2019" Only the pointer will be saved so this variable can't be local which will be destroyed later. |
lv_calendar_add_header_dropdown [#lv_calendar_add_header_dropdown]
Create a calendar header with drop-drowns to select the year and month
```c title=" " lineNumbers=1
lv_obj_t * lv_calendar_add_header_dropdown(lv_obj_t *parent)
```
Parameters
| Name | Type | Description |
| -------- | ------------------------------------------------ | ----------------------------- |
| `parent` | | pointer to a calendar object. |
**Returns:** — the created header
Variables [#variables]
lv_calendar_header_dropdown_class [#lv_calendar_header_dropdown_class]
```c title=" " lineNumbers=1
const lv_obj_class_t lv_calendar_header_dropdown_class
```
Dependencies [#dependencies]