[Home](./index.md) > [ibm-cloud-sdk-core](./ibm-cloud-sdk-core.md) > [toLowerKeys](./ibm-cloud-sdk-core.tolowerkeys.md) ## toLowerKeys() function This function converts an object's keys to lower case. note: does not convert nested keys **Signature:** ```typescript export declare function toLowerKeys(obj: Object): Object; ``` ## Parameters

Parameter	Type	Description
obj	Object	The object to convert the keys of.

**Returns:** Object the object with keys folded to lowercase