# lv_checkbox.h (/api/public/widgets/lv_checkbox_h)
Functions [#functions]
lv_checkbox_set_text [#lv_checkbox_set_text]
Set the text of a check box. `txt` will be copied and may be deallocated after this function returns.
```c title=" " lineNumbers=1
void lv_checkbox_set_text(lv_obj_t *obj, const char *txt)
```
Parameters
| Name | Type | Description |
| ----- | ------------------------------------------------ | ------------------------------------------------------------------------------------- |
| `obj` | | pointer to a check box |
| `txt` | `const char *` | the text of the check box. **May** be `NULL`. When NULL the widget is only refreshed. |
lv_checkbox_set_text_static [#lv_checkbox_set_text_static]
Set the text of a check box. `txt` must not be deallocated during the life of this checkbox.
```c title=" " lineNumbers=1
void lv_checkbox_set_text_static(lv_obj_t *obj, const char *txt)
```
Parameters
| Name | Type | Description |
| ----- | ------------------------------------------------ | -------------------------- |
| `obj` | | pointer to a check box |
| `txt` | `const char *` | the text of the check box. |
lv_checkbox_get_text [#lv_checkbox_get_text]
Get the text of a check box
```c title=" " lineNumbers=1
const char * lv_checkbox_get_text(const lv_obj_t *obj)
```
Parameters
| Name | Type | Description |
| ----- | ------------------------------------------------------ | --------------------------- |
| `obj` | | pointer to check box object |
**Returns:** `const char *` — pointer to the text of the check box
lv_checkbox_create [#lv_checkbox_create]
Create a check box object
```c title=" " lineNumbers=1
lv_obj_t * lv_checkbox_create(lv_obj_t *parent)
```
Parameters
| Name | Type | Description |
| -------- | ------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------- |
| `parent` | | pointer to a parent widget **May** be `NULL`.. When NULL, the widget is created as a screen on the default display. |
**Returns:** — pointer to the created check box
Enums [#enums]
\_lv_property_checkbox_id_t [#_lv_property_checkbox_id_t]
| Name | Value |
| --------------------------- | ----------------------------------------------------------------- |
| `LV_PROPERTY_CHECKBOX_TEXT` | `(LV_PROPERTY_CHECKBOX_START + ((int) 0 )) \| (( 7 ) << 28 )` |
| `LV_PROPERTY_CHECKBOX_END` | |
Variables [#variables]
lv_checkbox_class [#lv_checkbox_class]
```c title=" " lineNumbers=1
const lv_obj_class_t lv_checkbox_class
```
Dependencies [#dependencies]