# Write Contract

## approve

{% tabs %}
{% tab title="parameters" %}

* spender(address)
* amount(uint256)
  {% endtab %}
  {% endtabs %}

## decreaseAllowance

{% tabs %}
{% tab title="parameters" %}

* spender(address)
* subtractedValue(uint256)
  {% endtab %}
  {% endtabs %}

## increaseAllowance

{% tabs %}
{% tab title="parameters" %}

* spender(address)
* addedValue(uint256)
  {% endtab %}
  {% endtabs %}

## transfer

{% tabs %}
{% tab title="parameters" %}

* to(address)
* amount(uint256)
  {% endtab %}
  {% endtabs %}

## transferFrom

{% tabs %}
{% tab title="parameters" %}

* from(address)
* to(address)
* amount(uint256)
  {% endtab %}
  {% endtabs %}

##