Required Fields for Changing a Customer's Default Payment Instrument {#tms-cust-pi-tkn-change-default-pi-reqfields}
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default
:
Set value to `true`.
{#tms-cust-pi-tkn-change-default-pi-reqfields_dl_bcz_qry_dwb}

Related Information {#tms-cust-pi-tkn-change-default-pi-reqfields_section_jpc_xzz_sxb}
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* [API Field Reference for the REST API](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/api-fields-about-guide.md "")
  {#tms-cust-pi-tkn-change-default-pi-reqfields_ul_kpc_xzz_sxb}