[Home](./index.md) > [ibm-cloud-sdk-core](./ibm-cloud-sdk-core.md) > [ContainerTokenManager](./ibm-cloud-sdk-core.containertokenmanager.md) ## ContainerTokenManager class The ContainerTokenManager retrieves a compute resource token from a file on the container. This token is used to perform the necessary interactions with the IAM token service to obtain and store a suitable bearer (access) token. **Signature:** ```typescript export declare class ContainerTokenManager extends IamRequestBasedTokenManager ``` **Extends:** [IamRequestBasedTokenManager](./ibm-cloud-sdk-core.iamrequestbasedtokenmanager.md) ## Constructors

Constructor	Modifiers	Description
[(constructor)(options)](./ibm-cloud-sdk-core.containertokenmanager._constructor_.md)		Create a new ContainerTokenManager instance.

## Methods

Method	Modifiers	Description
[getCrToken()](./ibm-cloud-sdk-core.containertokenmanager.getcrtoken.md)	`protected`	Retrieves the CR token from a file using this search order: 1. User-specified filename (if specified) 2. Default file \#1 (/var/run/secrets/tokens/vault-token) 3. Default file \#2 (/var/run/secrets/tokens/sa-token) First one found wins.
[getRefreshToken()](./ibm-cloud-sdk-core.containertokenmanager.getrefreshtoken.md)		Returns the most recently stored refresh token.
[requestToken()](./ibm-cloud-sdk-core.containertokenmanager.requesttoken.md)	`protected`	Request an IAM token using a compute resource token.
[setCrTokenFilename(crTokenFilename)](./ibm-cloud-sdk-core.containertokenmanager.setcrtokenfilename.md)		Sets the "crTokenFilename" field
[setIamProfileId(iamProfileId)](./ibm-cloud-sdk-core.containertokenmanager.setiamprofileid.md)		Sets the ID of the IAM trusted profile to use when obtaining an access token from the IAM token server.
[setIamProfileName(iamProfileName)](./ibm-cloud-sdk-core.containertokenmanager.setiamprofilename.md)		Sets the name of the IAM trusted profile to use when obtaining an access token from the IAM token server.