To create a 'SharinPix Album' lightning action:

• Go to Setup, then Object Manager.
• Select the object on which you intend to add the custom action. In this case, it is the Account object.
• On the left-hand-side menu, select Button, Links and Actions.
• Click on the New Action button.

From the Action Type picklist, select Lightning Component.

• For the field Lightning Component, select <sharinpix>:SharinPixAlbum
• For the field Height, enter 525px
• For the field Standard Label Type, select None
• For the field Label, enter SharinPix Album
• The field Name will be auto-populated with the value SharinPix_Album

• Click on Save

You can now add the newly-created action to the object's Page Layout.

In this section, we will add the newly-created custom action onto the Account Page Layout.

To do so:

• Head over to the Account Page Layout most relevant to your case.
• Click on the Mobile & Lightning Actions option.
• Drag and drop the SharinPix Album action onto the Salesforce Mobile and Lightning Experience Actions section.

• Click on Save.

If you access an Account record, the newly-created custom action should appear on the Page Layout as depicted below:

Upon selecting the action, the SharinPix Album is launched as shown below:

You'll also find the SharinPix Album custom action inside your Salesforce mobile application as depicted below: